xref: /openbmc/linux/drivers/gpu/drm/radeon/ni.c (revision 5104d265)
1 /*
2  * Copyright 2010 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: Alex Deucher
23  */
24 #include <linux/firmware.h>
25 #include <linux/slab.h>
26 #include <linux/module.h>
27 #include <drm/drmP.h>
28 #include "radeon.h"
29 #include "radeon_asic.h"
30 #include <drm/radeon_drm.h>
31 #include "nid.h"
32 #include "atom.h"
33 #include "ni_reg.h"
34 #include "cayman_blit_shaders.h"
35 #include "radeon_ucode.h"
36 #include "clearstate_cayman.h"
37 
38 static u32 tn_rlc_save_restore_register_list[] =
39 {
40 	0x98fc,
41 	0x98f0,
42 	0x9834,
43 	0x9838,
44 	0x9870,
45 	0x9874,
46 	0x8a14,
47 	0x8b24,
48 	0x8bcc,
49 	0x8b10,
50 	0x8c30,
51 	0x8d00,
52 	0x8d04,
53 	0x8c00,
54 	0x8c04,
55 	0x8c10,
56 	0x8c14,
57 	0x8d8c,
58 	0x8cf0,
59 	0x8e38,
60 	0x9508,
61 	0x9688,
62 	0x9608,
63 	0x960c,
64 	0x9610,
65 	0x9614,
66 	0x88c4,
67 	0x8978,
68 	0x88d4,
69 	0x900c,
70 	0x9100,
71 	0x913c,
72 	0x90e8,
73 	0x9354,
74 	0xa008,
75 	0x98f8,
76 	0x9148,
77 	0x914c,
78 	0x3f94,
79 	0x98f4,
80 	0x9b7c,
81 	0x3f8c,
82 	0x8950,
83 	0x8954,
84 	0x8a18,
85 	0x8b28,
86 	0x9144,
87 	0x3f90,
88 	0x915c,
89 	0x9160,
90 	0x9178,
91 	0x917c,
92 	0x9180,
93 	0x918c,
94 	0x9190,
95 	0x9194,
96 	0x9198,
97 	0x919c,
98 	0x91a8,
99 	0x91ac,
100 	0x91b0,
101 	0x91b4,
102 	0x91b8,
103 	0x91c4,
104 	0x91c8,
105 	0x91cc,
106 	0x91d0,
107 	0x91d4,
108 	0x91e0,
109 	0x91e4,
110 	0x91ec,
111 	0x91f0,
112 	0x91f4,
113 	0x9200,
114 	0x9204,
115 	0x929c,
116 	0x8030,
117 	0x9150,
118 	0x9a60,
119 	0x920c,
120 	0x9210,
121 	0x9228,
122 	0x922c,
123 	0x9244,
124 	0x9248,
125 	0x91e8,
126 	0x9294,
127 	0x9208,
128 	0x9224,
129 	0x9240,
130 	0x9220,
131 	0x923c,
132 	0x9258,
133 	0x9744,
134 	0xa200,
135 	0xa204,
136 	0xa208,
137 	0xa20c,
138 	0x8d58,
139 	0x9030,
140 	0x9034,
141 	0x9038,
142 	0x903c,
143 	0x9040,
144 	0x9654,
145 	0x897c,
146 	0xa210,
147 	0xa214,
148 	0x9868,
149 	0xa02c,
150 	0x9664,
151 	0x9698,
152 	0x949c,
153 	0x8e10,
154 	0x8e18,
155 	0x8c50,
156 	0x8c58,
157 	0x8c60,
158 	0x8c68,
159 	0x89b4,
160 	0x9830,
161 	0x802c,
162 };
163 static u32 tn_rlc_save_restore_register_list_size = ARRAY_SIZE(tn_rlc_save_restore_register_list);
164 
165 extern bool evergreen_is_display_hung(struct radeon_device *rdev);
166 extern void evergreen_print_gpu_status_regs(struct radeon_device *rdev);
167 extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save);
168 extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save);
169 extern int evergreen_mc_wait_for_idle(struct radeon_device *rdev);
170 extern void evergreen_mc_program(struct radeon_device *rdev);
171 extern void evergreen_irq_suspend(struct radeon_device *rdev);
172 extern int evergreen_mc_init(struct radeon_device *rdev);
173 extern void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev);
174 extern void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
175 extern void evergreen_program_aspm(struct radeon_device *rdev);
176 extern void sumo_rlc_fini(struct radeon_device *rdev);
177 extern int sumo_rlc_init(struct radeon_device *rdev);
178 
179 /* Firmware Names */
180 MODULE_FIRMWARE("radeon/BARTS_pfp.bin");
181 MODULE_FIRMWARE("radeon/BARTS_me.bin");
182 MODULE_FIRMWARE("radeon/BARTS_mc.bin");
183 MODULE_FIRMWARE("radeon/BARTS_smc.bin");
184 MODULE_FIRMWARE("radeon/BTC_rlc.bin");
185 MODULE_FIRMWARE("radeon/TURKS_pfp.bin");
186 MODULE_FIRMWARE("radeon/TURKS_me.bin");
187 MODULE_FIRMWARE("radeon/TURKS_mc.bin");
188 MODULE_FIRMWARE("radeon/TURKS_smc.bin");
189 MODULE_FIRMWARE("radeon/CAICOS_pfp.bin");
190 MODULE_FIRMWARE("radeon/CAICOS_me.bin");
191 MODULE_FIRMWARE("radeon/CAICOS_mc.bin");
192 MODULE_FIRMWARE("radeon/CAICOS_smc.bin");
193 MODULE_FIRMWARE("radeon/CAYMAN_pfp.bin");
194 MODULE_FIRMWARE("radeon/CAYMAN_me.bin");
195 MODULE_FIRMWARE("radeon/CAYMAN_mc.bin");
196 MODULE_FIRMWARE("radeon/CAYMAN_rlc.bin");
197 MODULE_FIRMWARE("radeon/CAYMAN_smc.bin");
198 MODULE_FIRMWARE("radeon/ARUBA_pfp.bin");
199 MODULE_FIRMWARE("radeon/ARUBA_me.bin");
200 MODULE_FIRMWARE("radeon/ARUBA_rlc.bin");
201 
202 
203 static const u32 cayman_golden_registers2[] =
204 {
205 	0x3e5c, 0xffffffff, 0x00000000,
206 	0x3e48, 0xffffffff, 0x00000000,
207 	0x3e4c, 0xffffffff, 0x00000000,
208 	0x3e64, 0xffffffff, 0x00000000,
209 	0x3e50, 0xffffffff, 0x00000000,
210 	0x3e60, 0xffffffff, 0x00000000
211 };
212 
213 static const u32 cayman_golden_registers[] =
214 {
215 	0x5eb4, 0xffffffff, 0x00000002,
216 	0x5e78, 0x8f311ff1, 0x001000f0,
217 	0x3f90, 0xffff0000, 0xff000000,
218 	0x9148, 0xffff0000, 0xff000000,
219 	0x3f94, 0xffff0000, 0xff000000,
220 	0x914c, 0xffff0000, 0xff000000,
221 	0xc78, 0x00000080, 0x00000080,
222 	0xbd4, 0x70073777, 0x00011003,
223 	0xd02c, 0xbfffff1f, 0x08421000,
224 	0xd0b8, 0x73773777, 0x02011003,
225 	0x5bc0, 0x00200000, 0x50100000,
226 	0x98f8, 0x33773777, 0x02011003,
227 	0x98fc, 0xffffffff, 0x76541032,
228 	0x7030, 0x31000311, 0x00000011,
229 	0x2f48, 0x33773777, 0x42010001,
230 	0x6b28, 0x00000010, 0x00000012,
231 	0x7728, 0x00000010, 0x00000012,
232 	0x10328, 0x00000010, 0x00000012,
233 	0x10f28, 0x00000010, 0x00000012,
234 	0x11b28, 0x00000010, 0x00000012,
235 	0x12728, 0x00000010, 0x00000012,
236 	0x240c, 0x000007ff, 0x00000000,
237 	0x8a14, 0xf000001f, 0x00000007,
238 	0x8b24, 0x3fff3fff, 0x00ff0fff,
239 	0x8b10, 0x0000ff0f, 0x00000000,
240 	0x28a4c, 0x07ffffff, 0x06000000,
241 	0x10c, 0x00000001, 0x00010003,
242 	0xa02c, 0xffffffff, 0x0000009b,
243 	0x913c, 0x0000010f, 0x01000100,
244 	0x8c04, 0xf8ff00ff, 0x40600060,
245 	0x28350, 0x00000f01, 0x00000000,
246 	0x9508, 0x3700001f, 0x00000002,
247 	0x960c, 0xffffffff, 0x54763210,
248 	0x88c4, 0x001f3ae3, 0x00000082,
249 	0x88d0, 0xffffffff, 0x0f40df40,
250 	0x88d4, 0x0000001f, 0x00000010,
251 	0x8974, 0xffffffff, 0x00000000
252 };
253 
254 static const u32 dvst_golden_registers2[] =
255 {
256 	0x8f8, 0xffffffff, 0,
257 	0x8fc, 0x00380000, 0,
258 	0x8f8, 0xffffffff, 1,
259 	0x8fc, 0x0e000000, 0
260 };
261 
262 static const u32 dvst_golden_registers[] =
263 {
264 	0x690, 0x3fff3fff, 0x20c00033,
265 	0x918c, 0x0fff0fff, 0x00010006,
266 	0x91a8, 0x0fff0fff, 0x00010006,
267 	0x9150, 0xffffdfff, 0x6e944040,
268 	0x917c, 0x0fff0fff, 0x00030002,
269 	0x9198, 0x0fff0fff, 0x00030002,
270 	0x915c, 0x0fff0fff, 0x00010000,
271 	0x3f90, 0xffff0001, 0xff000000,
272 	0x9178, 0x0fff0fff, 0x00070000,
273 	0x9194, 0x0fff0fff, 0x00070000,
274 	0x9148, 0xffff0001, 0xff000000,
275 	0x9190, 0x0fff0fff, 0x00090008,
276 	0x91ac, 0x0fff0fff, 0x00090008,
277 	0x3f94, 0xffff0000, 0xff000000,
278 	0x914c, 0xffff0000, 0xff000000,
279 	0x929c, 0x00000fff, 0x00000001,
280 	0x55e4, 0xff607fff, 0xfc000100,
281 	0x8a18, 0xff000fff, 0x00000100,
282 	0x8b28, 0xff000fff, 0x00000100,
283 	0x9144, 0xfffc0fff, 0x00000100,
284 	0x6ed8, 0x00010101, 0x00010000,
285 	0x9830, 0xffffffff, 0x00000000,
286 	0x9834, 0xf00fffff, 0x00000400,
287 	0x9838, 0xfffffffe, 0x00000000,
288 	0xd0c0, 0xff000fff, 0x00000100,
289 	0xd02c, 0xbfffff1f, 0x08421000,
290 	0xd0b8, 0x73773777, 0x12010001,
291 	0x5bb0, 0x000000f0, 0x00000070,
292 	0x98f8, 0x73773777, 0x12010001,
293 	0x98fc, 0xffffffff, 0x00000010,
294 	0x9b7c, 0x00ff0000, 0x00fc0000,
295 	0x8030, 0x00001f0f, 0x0000100a,
296 	0x2f48, 0x73773777, 0x12010001,
297 	0x2408, 0x00030000, 0x000c007f,
298 	0x8a14, 0xf000003f, 0x00000007,
299 	0x8b24, 0x3fff3fff, 0x00ff0fff,
300 	0x8b10, 0x0000ff0f, 0x00000000,
301 	0x28a4c, 0x07ffffff, 0x06000000,
302 	0x4d8, 0x00000fff, 0x00000100,
303 	0xa008, 0xffffffff, 0x00010000,
304 	0x913c, 0xffff03ff, 0x01000100,
305 	0x8c00, 0x000000ff, 0x00000003,
306 	0x8c04, 0xf8ff00ff, 0x40600060,
307 	0x8cf0, 0x1fff1fff, 0x08e00410,
308 	0x28350, 0x00000f01, 0x00000000,
309 	0x9508, 0xf700071f, 0x00000002,
310 	0x960c, 0xffffffff, 0x54763210,
311 	0x20ef8, 0x01ff01ff, 0x00000002,
312 	0x20e98, 0xfffffbff, 0x00200000,
313 	0x2015c, 0xffffffff, 0x00000f40,
314 	0x88c4, 0x001f3ae3, 0x00000082,
315 	0x8978, 0x3fffffff, 0x04050140,
316 	0x88d4, 0x0000001f, 0x00000010,
317 	0x8974, 0xffffffff, 0x00000000
318 };
319 
320 static const u32 scrapper_golden_registers[] =
321 {
322 	0x690, 0x3fff3fff, 0x20c00033,
323 	0x918c, 0x0fff0fff, 0x00010006,
324 	0x918c, 0x0fff0fff, 0x00010006,
325 	0x91a8, 0x0fff0fff, 0x00010006,
326 	0x91a8, 0x0fff0fff, 0x00010006,
327 	0x9150, 0xffffdfff, 0x6e944040,
328 	0x9150, 0xffffdfff, 0x6e944040,
329 	0x917c, 0x0fff0fff, 0x00030002,
330 	0x917c, 0x0fff0fff, 0x00030002,
331 	0x9198, 0x0fff0fff, 0x00030002,
332 	0x9198, 0x0fff0fff, 0x00030002,
333 	0x915c, 0x0fff0fff, 0x00010000,
334 	0x915c, 0x0fff0fff, 0x00010000,
335 	0x3f90, 0xffff0001, 0xff000000,
336 	0x3f90, 0xffff0001, 0xff000000,
337 	0x9178, 0x0fff0fff, 0x00070000,
338 	0x9178, 0x0fff0fff, 0x00070000,
339 	0x9194, 0x0fff0fff, 0x00070000,
340 	0x9194, 0x0fff0fff, 0x00070000,
341 	0x9148, 0xffff0001, 0xff000000,
342 	0x9148, 0xffff0001, 0xff000000,
343 	0x9190, 0x0fff0fff, 0x00090008,
344 	0x9190, 0x0fff0fff, 0x00090008,
345 	0x91ac, 0x0fff0fff, 0x00090008,
346 	0x91ac, 0x0fff0fff, 0x00090008,
347 	0x3f94, 0xffff0000, 0xff000000,
348 	0x3f94, 0xffff0000, 0xff000000,
349 	0x914c, 0xffff0000, 0xff000000,
350 	0x914c, 0xffff0000, 0xff000000,
351 	0x929c, 0x00000fff, 0x00000001,
352 	0x929c, 0x00000fff, 0x00000001,
353 	0x55e4, 0xff607fff, 0xfc000100,
354 	0x8a18, 0xff000fff, 0x00000100,
355 	0x8a18, 0xff000fff, 0x00000100,
356 	0x8b28, 0xff000fff, 0x00000100,
357 	0x8b28, 0xff000fff, 0x00000100,
358 	0x9144, 0xfffc0fff, 0x00000100,
359 	0x9144, 0xfffc0fff, 0x00000100,
360 	0x6ed8, 0x00010101, 0x00010000,
361 	0x9830, 0xffffffff, 0x00000000,
362 	0x9830, 0xffffffff, 0x00000000,
363 	0x9834, 0xf00fffff, 0x00000400,
364 	0x9834, 0xf00fffff, 0x00000400,
365 	0x9838, 0xfffffffe, 0x00000000,
366 	0x9838, 0xfffffffe, 0x00000000,
367 	0xd0c0, 0xff000fff, 0x00000100,
368 	0xd02c, 0xbfffff1f, 0x08421000,
369 	0xd02c, 0xbfffff1f, 0x08421000,
370 	0xd0b8, 0x73773777, 0x12010001,
371 	0xd0b8, 0x73773777, 0x12010001,
372 	0x5bb0, 0x000000f0, 0x00000070,
373 	0x98f8, 0x73773777, 0x12010001,
374 	0x98f8, 0x73773777, 0x12010001,
375 	0x98fc, 0xffffffff, 0x00000010,
376 	0x98fc, 0xffffffff, 0x00000010,
377 	0x9b7c, 0x00ff0000, 0x00fc0000,
378 	0x9b7c, 0x00ff0000, 0x00fc0000,
379 	0x8030, 0x00001f0f, 0x0000100a,
380 	0x8030, 0x00001f0f, 0x0000100a,
381 	0x2f48, 0x73773777, 0x12010001,
382 	0x2f48, 0x73773777, 0x12010001,
383 	0x2408, 0x00030000, 0x000c007f,
384 	0x8a14, 0xf000003f, 0x00000007,
385 	0x8a14, 0xf000003f, 0x00000007,
386 	0x8b24, 0x3fff3fff, 0x00ff0fff,
387 	0x8b24, 0x3fff3fff, 0x00ff0fff,
388 	0x8b10, 0x0000ff0f, 0x00000000,
389 	0x8b10, 0x0000ff0f, 0x00000000,
390 	0x28a4c, 0x07ffffff, 0x06000000,
391 	0x28a4c, 0x07ffffff, 0x06000000,
392 	0x4d8, 0x00000fff, 0x00000100,
393 	0x4d8, 0x00000fff, 0x00000100,
394 	0xa008, 0xffffffff, 0x00010000,
395 	0xa008, 0xffffffff, 0x00010000,
396 	0x913c, 0xffff03ff, 0x01000100,
397 	0x913c, 0xffff03ff, 0x01000100,
398 	0x90e8, 0x001fffff, 0x010400c0,
399 	0x8c00, 0x000000ff, 0x00000003,
400 	0x8c00, 0x000000ff, 0x00000003,
401 	0x8c04, 0xf8ff00ff, 0x40600060,
402 	0x8c04, 0xf8ff00ff, 0x40600060,
403 	0x8c30, 0x0000000f, 0x00040005,
404 	0x8cf0, 0x1fff1fff, 0x08e00410,
405 	0x8cf0, 0x1fff1fff, 0x08e00410,
406 	0x900c, 0x00ffffff, 0x0017071f,
407 	0x28350, 0x00000f01, 0x00000000,
408 	0x28350, 0x00000f01, 0x00000000,
409 	0x9508, 0xf700071f, 0x00000002,
410 	0x9508, 0xf700071f, 0x00000002,
411 	0x9688, 0x00300000, 0x0017000f,
412 	0x960c, 0xffffffff, 0x54763210,
413 	0x960c, 0xffffffff, 0x54763210,
414 	0x20ef8, 0x01ff01ff, 0x00000002,
415 	0x20e98, 0xfffffbff, 0x00200000,
416 	0x2015c, 0xffffffff, 0x00000f40,
417 	0x88c4, 0x001f3ae3, 0x00000082,
418 	0x88c4, 0x001f3ae3, 0x00000082,
419 	0x8978, 0x3fffffff, 0x04050140,
420 	0x8978, 0x3fffffff, 0x04050140,
421 	0x88d4, 0x0000001f, 0x00000010,
422 	0x88d4, 0x0000001f, 0x00000010,
423 	0x8974, 0xffffffff, 0x00000000,
424 	0x8974, 0xffffffff, 0x00000000
425 };
426 
427 static void ni_init_golden_registers(struct radeon_device *rdev)
428 {
429 	switch (rdev->family) {
430 	case CHIP_CAYMAN:
431 		radeon_program_register_sequence(rdev,
432 						 cayman_golden_registers,
433 						 (const u32)ARRAY_SIZE(cayman_golden_registers));
434 		radeon_program_register_sequence(rdev,
435 						 cayman_golden_registers2,
436 						 (const u32)ARRAY_SIZE(cayman_golden_registers2));
437 		break;
438 	case CHIP_ARUBA:
439 		if ((rdev->pdev->device == 0x9900) ||
440 		    (rdev->pdev->device == 0x9901) ||
441 		    (rdev->pdev->device == 0x9903) ||
442 		    (rdev->pdev->device == 0x9904) ||
443 		    (rdev->pdev->device == 0x9905) ||
444 		    (rdev->pdev->device == 0x9906) ||
445 		    (rdev->pdev->device == 0x9907) ||
446 		    (rdev->pdev->device == 0x9908) ||
447 		    (rdev->pdev->device == 0x9909) ||
448 		    (rdev->pdev->device == 0x990A) ||
449 		    (rdev->pdev->device == 0x990B) ||
450 		    (rdev->pdev->device == 0x990C) ||
451 		    (rdev->pdev->device == 0x990D) ||
452 		    (rdev->pdev->device == 0x990E) ||
453 		    (rdev->pdev->device == 0x990F) ||
454 		    (rdev->pdev->device == 0x9910) ||
455 		    (rdev->pdev->device == 0x9913) ||
456 		    (rdev->pdev->device == 0x9917) ||
457 		    (rdev->pdev->device == 0x9918)) {
458 			radeon_program_register_sequence(rdev,
459 							 dvst_golden_registers,
460 							 (const u32)ARRAY_SIZE(dvst_golden_registers));
461 			radeon_program_register_sequence(rdev,
462 							 dvst_golden_registers2,
463 							 (const u32)ARRAY_SIZE(dvst_golden_registers2));
464 		} else {
465 			radeon_program_register_sequence(rdev,
466 							 scrapper_golden_registers,
467 							 (const u32)ARRAY_SIZE(scrapper_golden_registers));
468 			radeon_program_register_sequence(rdev,
469 							 dvst_golden_registers2,
470 							 (const u32)ARRAY_SIZE(dvst_golden_registers2));
471 		}
472 		break;
473 	default:
474 		break;
475 	}
476 }
477 
478 #define BTC_IO_MC_REGS_SIZE 29
479 
480 static const u32 barts_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
481 	{0x00000077, 0xff010100},
482 	{0x00000078, 0x00000000},
483 	{0x00000079, 0x00001434},
484 	{0x0000007a, 0xcc08ec08},
485 	{0x0000007b, 0x00040000},
486 	{0x0000007c, 0x000080c0},
487 	{0x0000007d, 0x09000000},
488 	{0x0000007e, 0x00210404},
489 	{0x00000081, 0x08a8e800},
490 	{0x00000082, 0x00030444},
491 	{0x00000083, 0x00000000},
492 	{0x00000085, 0x00000001},
493 	{0x00000086, 0x00000002},
494 	{0x00000087, 0x48490000},
495 	{0x00000088, 0x20244647},
496 	{0x00000089, 0x00000005},
497 	{0x0000008b, 0x66030000},
498 	{0x0000008c, 0x00006603},
499 	{0x0000008d, 0x00000100},
500 	{0x0000008f, 0x00001c0a},
501 	{0x00000090, 0xff000001},
502 	{0x00000094, 0x00101101},
503 	{0x00000095, 0x00000fff},
504 	{0x00000096, 0x00116fff},
505 	{0x00000097, 0x60010000},
506 	{0x00000098, 0x10010000},
507 	{0x00000099, 0x00006000},
508 	{0x0000009a, 0x00001000},
509 	{0x0000009f, 0x00946a00}
510 };
511 
512 static const u32 turks_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
513 	{0x00000077, 0xff010100},
514 	{0x00000078, 0x00000000},
515 	{0x00000079, 0x00001434},
516 	{0x0000007a, 0xcc08ec08},
517 	{0x0000007b, 0x00040000},
518 	{0x0000007c, 0x000080c0},
519 	{0x0000007d, 0x09000000},
520 	{0x0000007e, 0x00210404},
521 	{0x00000081, 0x08a8e800},
522 	{0x00000082, 0x00030444},
523 	{0x00000083, 0x00000000},
524 	{0x00000085, 0x00000001},
525 	{0x00000086, 0x00000002},
526 	{0x00000087, 0x48490000},
527 	{0x00000088, 0x20244647},
528 	{0x00000089, 0x00000005},
529 	{0x0000008b, 0x66030000},
530 	{0x0000008c, 0x00006603},
531 	{0x0000008d, 0x00000100},
532 	{0x0000008f, 0x00001c0a},
533 	{0x00000090, 0xff000001},
534 	{0x00000094, 0x00101101},
535 	{0x00000095, 0x00000fff},
536 	{0x00000096, 0x00116fff},
537 	{0x00000097, 0x60010000},
538 	{0x00000098, 0x10010000},
539 	{0x00000099, 0x00006000},
540 	{0x0000009a, 0x00001000},
541 	{0x0000009f, 0x00936a00}
542 };
543 
544 static const u32 caicos_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
545 	{0x00000077, 0xff010100},
546 	{0x00000078, 0x00000000},
547 	{0x00000079, 0x00001434},
548 	{0x0000007a, 0xcc08ec08},
549 	{0x0000007b, 0x00040000},
550 	{0x0000007c, 0x000080c0},
551 	{0x0000007d, 0x09000000},
552 	{0x0000007e, 0x00210404},
553 	{0x00000081, 0x08a8e800},
554 	{0x00000082, 0x00030444},
555 	{0x00000083, 0x00000000},
556 	{0x00000085, 0x00000001},
557 	{0x00000086, 0x00000002},
558 	{0x00000087, 0x48490000},
559 	{0x00000088, 0x20244647},
560 	{0x00000089, 0x00000005},
561 	{0x0000008b, 0x66030000},
562 	{0x0000008c, 0x00006603},
563 	{0x0000008d, 0x00000100},
564 	{0x0000008f, 0x00001c0a},
565 	{0x00000090, 0xff000001},
566 	{0x00000094, 0x00101101},
567 	{0x00000095, 0x00000fff},
568 	{0x00000096, 0x00116fff},
569 	{0x00000097, 0x60010000},
570 	{0x00000098, 0x10010000},
571 	{0x00000099, 0x00006000},
572 	{0x0000009a, 0x00001000},
573 	{0x0000009f, 0x00916a00}
574 };
575 
576 static const u32 cayman_io_mc_regs[BTC_IO_MC_REGS_SIZE][2] = {
577 	{0x00000077, 0xff010100},
578 	{0x00000078, 0x00000000},
579 	{0x00000079, 0x00001434},
580 	{0x0000007a, 0xcc08ec08},
581 	{0x0000007b, 0x00040000},
582 	{0x0000007c, 0x000080c0},
583 	{0x0000007d, 0x09000000},
584 	{0x0000007e, 0x00210404},
585 	{0x00000081, 0x08a8e800},
586 	{0x00000082, 0x00030444},
587 	{0x00000083, 0x00000000},
588 	{0x00000085, 0x00000001},
589 	{0x00000086, 0x00000002},
590 	{0x00000087, 0x48490000},
591 	{0x00000088, 0x20244647},
592 	{0x00000089, 0x00000005},
593 	{0x0000008b, 0x66030000},
594 	{0x0000008c, 0x00006603},
595 	{0x0000008d, 0x00000100},
596 	{0x0000008f, 0x00001c0a},
597 	{0x00000090, 0xff000001},
598 	{0x00000094, 0x00101101},
599 	{0x00000095, 0x00000fff},
600 	{0x00000096, 0x00116fff},
601 	{0x00000097, 0x60010000},
602 	{0x00000098, 0x10010000},
603 	{0x00000099, 0x00006000},
604 	{0x0000009a, 0x00001000},
605 	{0x0000009f, 0x00976b00}
606 };
607 
608 int ni_mc_load_microcode(struct radeon_device *rdev)
609 {
610 	const __be32 *fw_data;
611 	u32 mem_type, running, blackout = 0;
612 	u32 *io_mc_regs;
613 	int i, ucode_size, regs_size;
614 
615 	if (!rdev->mc_fw)
616 		return -EINVAL;
617 
618 	switch (rdev->family) {
619 	case CHIP_BARTS:
620 		io_mc_regs = (u32 *)&barts_io_mc_regs;
621 		ucode_size = BTC_MC_UCODE_SIZE;
622 		regs_size = BTC_IO_MC_REGS_SIZE;
623 		break;
624 	case CHIP_TURKS:
625 		io_mc_regs = (u32 *)&turks_io_mc_regs;
626 		ucode_size = BTC_MC_UCODE_SIZE;
627 		regs_size = BTC_IO_MC_REGS_SIZE;
628 		break;
629 	case CHIP_CAICOS:
630 	default:
631 		io_mc_regs = (u32 *)&caicos_io_mc_regs;
632 		ucode_size = BTC_MC_UCODE_SIZE;
633 		regs_size = BTC_IO_MC_REGS_SIZE;
634 		break;
635 	case CHIP_CAYMAN:
636 		io_mc_regs = (u32 *)&cayman_io_mc_regs;
637 		ucode_size = CAYMAN_MC_UCODE_SIZE;
638 		regs_size = BTC_IO_MC_REGS_SIZE;
639 		break;
640 	}
641 
642 	mem_type = (RREG32(MC_SEQ_MISC0) & MC_SEQ_MISC0_GDDR5_MASK) >> MC_SEQ_MISC0_GDDR5_SHIFT;
643 	running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK;
644 
645 	if ((mem_type == MC_SEQ_MISC0_GDDR5_VALUE) && (running == 0)) {
646 		if (running) {
647 			blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
648 			WREG32(MC_SHARED_BLACKOUT_CNTL, 1);
649 		}
650 
651 		/* reset the engine and set to writable */
652 		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
653 		WREG32(MC_SEQ_SUP_CNTL, 0x00000010);
654 
655 		/* load mc io regs */
656 		for (i = 0; i < regs_size; i++) {
657 			WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]);
658 			WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]);
659 		}
660 		/* load the MC ucode */
661 		fw_data = (const __be32 *)rdev->mc_fw->data;
662 		for (i = 0; i < ucode_size; i++)
663 			WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++));
664 
665 		/* put the engine back into the active state */
666 		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
667 		WREG32(MC_SEQ_SUP_CNTL, 0x00000004);
668 		WREG32(MC_SEQ_SUP_CNTL, 0x00000001);
669 
670 		/* wait for training to complete */
671 		for (i = 0; i < rdev->usec_timeout; i++) {
672 			if (RREG32(MC_IO_PAD_CNTL_D0) & MEM_FALL_OUT_CMD)
673 				break;
674 			udelay(1);
675 		}
676 
677 		if (running)
678 			WREG32(MC_SHARED_BLACKOUT_CNTL, blackout);
679 	}
680 
681 	return 0;
682 }
683 
684 int ni_init_microcode(struct radeon_device *rdev)
685 {
686 	const char *chip_name;
687 	const char *rlc_chip_name;
688 	size_t pfp_req_size, me_req_size, rlc_req_size, mc_req_size;
689 	size_t smc_req_size = 0;
690 	char fw_name[30];
691 	int err;
692 
693 	DRM_DEBUG("\n");
694 
695 	switch (rdev->family) {
696 	case CHIP_BARTS:
697 		chip_name = "BARTS";
698 		rlc_chip_name = "BTC";
699 		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
700 		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
701 		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
702 		mc_req_size = BTC_MC_UCODE_SIZE * 4;
703 		smc_req_size = ALIGN(BARTS_SMC_UCODE_SIZE, 4);
704 		break;
705 	case CHIP_TURKS:
706 		chip_name = "TURKS";
707 		rlc_chip_name = "BTC";
708 		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
709 		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
710 		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
711 		mc_req_size = BTC_MC_UCODE_SIZE * 4;
712 		smc_req_size = ALIGN(TURKS_SMC_UCODE_SIZE, 4);
713 		break;
714 	case CHIP_CAICOS:
715 		chip_name = "CAICOS";
716 		rlc_chip_name = "BTC";
717 		pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
718 		me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
719 		rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
720 		mc_req_size = BTC_MC_UCODE_SIZE * 4;
721 		smc_req_size = ALIGN(CAICOS_SMC_UCODE_SIZE, 4);
722 		break;
723 	case CHIP_CAYMAN:
724 		chip_name = "CAYMAN";
725 		rlc_chip_name = "CAYMAN";
726 		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
727 		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
728 		rlc_req_size = CAYMAN_RLC_UCODE_SIZE * 4;
729 		mc_req_size = CAYMAN_MC_UCODE_SIZE * 4;
730 		smc_req_size = ALIGN(CAYMAN_SMC_UCODE_SIZE, 4);
731 		break;
732 	case CHIP_ARUBA:
733 		chip_name = "ARUBA";
734 		rlc_chip_name = "ARUBA";
735 		/* pfp/me same size as CAYMAN */
736 		pfp_req_size = CAYMAN_PFP_UCODE_SIZE * 4;
737 		me_req_size = CAYMAN_PM4_UCODE_SIZE * 4;
738 		rlc_req_size = ARUBA_RLC_UCODE_SIZE * 4;
739 		mc_req_size = 0;
740 		break;
741 	default: BUG();
742 	}
743 
744 	DRM_INFO("Loading %s Microcode\n", chip_name);
745 
746 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
747 	err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
748 	if (err)
749 		goto out;
750 	if (rdev->pfp_fw->size != pfp_req_size) {
751 		printk(KERN_ERR
752 		       "ni_cp: Bogus length %zu in firmware \"%s\"\n",
753 		       rdev->pfp_fw->size, fw_name);
754 		err = -EINVAL;
755 		goto out;
756 	}
757 
758 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
759 	err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
760 	if (err)
761 		goto out;
762 	if (rdev->me_fw->size != me_req_size) {
763 		printk(KERN_ERR
764 		       "ni_cp: Bogus length %zu in firmware \"%s\"\n",
765 		       rdev->me_fw->size, fw_name);
766 		err = -EINVAL;
767 	}
768 
769 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
770 	err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
771 	if (err)
772 		goto out;
773 	if (rdev->rlc_fw->size != rlc_req_size) {
774 		printk(KERN_ERR
775 		       "ni_rlc: Bogus length %zu in firmware \"%s\"\n",
776 		       rdev->rlc_fw->size, fw_name);
777 		err = -EINVAL;
778 	}
779 
780 	/* no MC ucode on TN */
781 	if (!(rdev->flags & RADEON_IS_IGP)) {
782 		snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
783 		err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
784 		if (err)
785 			goto out;
786 		if (rdev->mc_fw->size != mc_req_size) {
787 			printk(KERN_ERR
788 			       "ni_mc: Bogus length %zu in firmware \"%s\"\n",
789 			       rdev->mc_fw->size, fw_name);
790 			err = -EINVAL;
791 		}
792 	}
793 
794 	if ((rdev->family >= CHIP_BARTS) && (rdev->family <= CHIP_CAYMAN)) {
795 		snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
796 		err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
797 		if (err)
798 			goto out;
799 		if (rdev->smc_fw->size != smc_req_size) {
800 			printk(KERN_ERR
801 			       "ni_mc: Bogus length %zu in firmware \"%s\"\n",
802 			       rdev->mc_fw->size, fw_name);
803 			err = -EINVAL;
804 		}
805 	}
806 
807 out:
808 	if (err) {
809 		if (err != -EINVAL)
810 			printk(KERN_ERR
811 			       "ni_cp: Failed to load firmware \"%s\"\n",
812 			       fw_name);
813 		release_firmware(rdev->pfp_fw);
814 		rdev->pfp_fw = NULL;
815 		release_firmware(rdev->me_fw);
816 		rdev->me_fw = NULL;
817 		release_firmware(rdev->rlc_fw);
818 		rdev->rlc_fw = NULL;
819 		release_firmware(rdev->mc_fw);
820 		rdev->mc_fw = NULL;
821 	}
822 	return err;
823 }
824 
825 int tn_get_temp(struct radeon_device *rdev)
826 {
827 	u32 temp = RREG32_SMC(TN_CURRENT_GNB_TEMP) & 0x7ff;
828 	int actual_temp = (temp / 8) - 49;
829 
830 	return actual_temp * 1000;
831 }
832 
833 /*
834  * Core functions
835  */
836 static void cayman_gpu_init(struct radeon_device *rdev)
837 {
838 	u32 gb_addr_config = 0;
839 	u32 mc_shared_chmap, mc_arb_ramcfg;
840 	u32 cgts_tcc_disable;
841 	u32 sx_debug_1;
842 	u32 smx_dc_ctl0;
843 	u32 cgts_sm_ctrl_reg;
844 	u32 hdp_host_path_cntl;
845 	u32 tmp;
846 	u32 disabled_rb_mask;
847 	int i, j;
848 
849 	switch (rdev->family) {
850 	case CHIP_CAYMAN:
851 		rdev->config.cayman.max_shader_engines = 2;
852 		rdev->config.cayman.max_pipes_per_simd = 4;
853 		rdev->config.cayman.max_tile_pipes = 8;
854 		rdev->config.cayman.max_simds_per_se = 12;
855 		rdev->config.cayman.max_backends_per_se = 4;
856 		rdev->config.cayman.max_texture_channel_caches = 8;
857 		rdev->config.cayman.max_gprs = 256;
858 		rdev->config.cayman.max_threads = 256;
859 		rdev->config.cayman.max_gs_threads = 32;
860 		rdev->config.cayman.max_stack_entries = 512;
861 		rdev->config.cayman.sx_num_of_sets = 8;
862 		rdev->config.cayman.sx_max_export_size = 256;
863 		rdev->config.cayman.sx_max_export_pos_size = 64;
864 		rdev->config.cayman.sx_max_export_smx_size = 192;
865 		rdev->config.cayman.max_hw_contexts = 8;
866 		rdev->config.cayman.sq_num_cf_insts = 2;
867 
868 		rdev->config.cayman.sc_prim_fifo_size = 0x100;
869 		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
870 		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
871 		gb_addr_config = CAYMAN_GB_ADDR_CONFIG_GOLDEN;
872 		break;
873 	case CHIP_ARUBA:
874 	default:
875 		rdev->config.cayman.max_shader_engines = 1;
876 		rdev->config.cayman.max_pipes_per_simd = 4;
877 		rdev->config.cayman.max_tile_pipes = 2;
878 		if ((rdev->pdev->device == 0x9900) ||
879 		    (rdev->pdev->device == 0x9901) ||
880 		    (rdev->pdev->device == 0x9905) ||
881 		    (rdev->pdev->device == 0x9906) ||
882 		    (rdev->pdev->device == 0x9907) ||
883 		    (rdev->pdev->device == 0x9908) ||
884 		    (rdev->pdev->device == 0x9909) ||
885 		    (rdev->pdev->device == 0x990B) ||
886 		    (rdev->pdev->device == 0x990C) ||
887 		    (rdev->pdev->device == 0x990F) ||
888 		    (rdev->pdev->device == 0x9910) ||
889 		    (rdev->pdev->device == 0x9917) ||
890 		    (rdev->pdev->device == 0x9999) ||
891 		    (rdev->pdev->device == 0x999C)) {
892 			rdev->config.cayman.max_simds_per_se = 6;
893 			rdev->config.cayman.max_backends_per_se = 2;
894 		} else if ((rdev->pdev->device == 0x9903) ||
895 			   (rdev->pdev->device == 0x9904) ||
896 			   (rdev->pdev->device == 0x990A) ||
897 			   (rdev->pdev->device == 0x990D) ||
898 			   (rdev->pdev->device == 0x990E) ||
899 			   (rdev->pdev->device == 0x9913) ||
900 			   (rdev->pdev->device == 0x9918) ||
901 			   (rdev->pdev->device == 0x999D)) {
902 			rdev->config.cayman.max_simds_per_se = 4;
903 			rdev->config.cayman.max_backends_per_se = 2;
904 		} else if ((rdev->pdev->device == 0x9919) ||
905 			   (rdev->pdev->device == 0x9990) ||
906 			   (rdev->pdev->device == 0x9991) ||
907 			   (rdev->pdev->device == 0x9994) ||
908 			   (rdev->pdev->device == 0x9995) ||
909 			   (rdev->pdev->device == 0x9996) ||
910 			   (rdev->pdev->device == 0x999A) ||
911 			   (rdev->pdev->device == 0x99A0)) {
912 			rdev->config.cayman.max_simds_per_se = 3;
913 			rdev->config.cayman.max_backends_per_se = 1;
914 		} else {
915 			rdev->config.cayman.max_simds_per_se = 2;
916 			rdev->config.cayman.max_backends_per_se = 1;
917 		}
918 		rdev->config.cayman.max_texture_channel_caches = 2;
919 		rdev->config.cayman.max_gprs = 256;
920 		rdev->config.cayman.max_threads = 256;
921 		rdev->config.cayman.max_gs_threads = 32;
922 		rdev->config.cayman.max_stack_entries = 512;
923 		rdev->config.cayman.sx_num_of_sets = 8;
924 		rdev->config.cayman.sx_max_export_size = 256;
925 		rdev->config.cayman.sx_max_export_pos_size = 64;
926 		rdev->config.cayman.sx_max_export_smx_size = 192;
927 		rdev->config.cayman.max_hw_contexts = 8;
928 		rdev->config.cayman.sq_num_cf_insts = 2;
929 
930 		rdev->config.cayman.sc_prim_fifo_size = 0x40;
931 		rdev->config.cayman.sc_hiz_tile_fifo_size = 0x30;
932 		rdev->config.cayman.sc_earlyz_tile_fifo_size = 0x130;
933 		gb_addr_config = ARUBA_GB_ADDR_CONFIG_GOLDEN;
934 		break;
935 	}
936 
937 	/* Initialize HDP */
938 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
939 		WREG32((0x2c14 + j), 0x00000000);
940 		WREG32((0x2c18 + j), 0x00000000);
941 		WREG32((0x2c1c + j), 0x00000000);
942 		WREG32((0x2c20 + j), 0x00000000);
943 		WREG32((0x2c24 + j), 0x00000000);
944 	}
945 
946 	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
947 
948 	evergreen_fix_pci_max_read_req_size(rdev);
949 
950 	mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
951 	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
952 
953 	tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT;
954 	rdev->config.cayman.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
955 	if (rdev->config.cayman.mem_row_size_in_kb > 4)
956 		rdev->config.cayman.mem_row_size_in_kb = 4;
957 	/* XXX use MC settings? */
958 	rdev->config.cayman.shader_engine_tile_size = 32;
959 	rdev->config.cayman.num_gpus = 1;
960 	rdev->config.cayman.multi_gpu_tile_size = 64;
961 
962 	tmp = (gb_addr_config & NUM_PIPES_MASK) >> NUM_PIPES_SHIFT;
963 	rdev->config.cayman.num_tile_pipes = (1 << tmp);
964 	tmp = (gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT;
965 	rdev->config.cayman.mem_max_burst_length_bytes = (tmp + 1) * 256;
966 	tmp = (gb_addr_config & NUM_SHADER_ENGINES_MASK) >> NUM_SHADER_ENGINES_SHIFT;
967 	rdev->config.cayman.num_shader_engines = tmp + 1;
968 	tmp = (gb_addr_config & NUM_GPUS_MASK) >> NUM_GPUS_SHIFT;
969 	rdev->config.cayman.num_gpus = tmp + 1;
970 	tmp = (gb_addr_config & MULTI_GPU_TILE_SIZE_MASK) >> MULTI_GPU_TILE_SIZE_SHIFT;
971 	rdev->config.cayman.multi_gpu_tile_size = 1 << tmp;
972 	tmp = (gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT;
973 	rdev->config.cayman.mem_row_size_in_kb = 1 << tmp;
974 
975 
976 	/* setup tiling info dword.  gb_addr_config is not adequate since it does
977 	 * not have bank info, so create a custom tiling dword.
978 	 * bits 3:0   num_pipes
979 	 * bits 7:4   num_banks
980 	 * bits 11:8  group_size
981 	 * bits 15:12 row_size
982 	 */
983 	rdev->config.cayman.tile_config = 0;
984 	switch (rdev->config.cayman.num_tile_pipes) {
985 	case 1:
986 	default:
987 		rdev->config.cayman.tile_config |= (0 << 0);
988 		break;
989 	case 2:
990 		rdev->config.cayman.tile_config |= (1 << 0);
991 		break;
992 	case 4:
993 		rdev->config.cayman.tile_config |= (2 << 0);
994 		break;
995 	case 8:
996 		rdev->config.cayman.tile_config |= (3 << 0);
997 		break;
998 	}
999 
1000 	/* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */
1001 	if (rdev->flags & RADEON_IS_IGP)
1002 		rdev->config.cayman.tile_config |= 1 << 4;
1003 	else {
1004 		switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
1005 		case 0: /* four banks */
1006 			rdev->config.cayman.tile_config |= 0 << 4;
1007 			break;
1008 		case 1: /* eight banks */
1009 			rdev->config.cayman.tile_config |= 1 << 4;
1010 			break;
1011 		case 2: /* sixteen banks */
1012 		default:
1013 			rdev->config.cayman.tile_config |= 2 << 4;
1014 			break;
1015 		}
1016 	}
1017 	rdev->config.cayman.tile_config |=
1018 		((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
1019 	rdev->config.cayman.tile_config |=
1020 		((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
1021 
1022 	tmp = 0;
1023 	for (i = (rdev->config.cayman.max_shader_engines - 1); i >= 0; i--) {
1024 		u32 rb_disable_bitmap;
1025 
1026 		WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1027 		WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
1028 		rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16;
1029 		tmp <<= 4;
1030 		tmp |= rb_disable_bitmap;
1031 	}
1032 	/* enabled rb are just the one not disabled :) */
1033 	disabled_rb_mask = tmp;
1034 	tmp = 0;
1035 	for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
1036 		tmp |= (1 << i);
1037 	/* if all the backends are disabled, fix it up here */
1038 	if ((disabled_rb_mask & tmp) == tmp) {
1039 		for (i = 0; i < (rdev->config.cayman.max_backends_per_se * rdev->config.cayman.max_shader_engines); i++)
1040 			disabled_rb_mask &= ~(1 << i);
1041 	}
1042 
1043 	WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1044 	WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
1045 
1046 	WREG32(GB_ADDR_CONFIG, gb_addr_config);
1047 	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
1048 	if (ASIC_IS_DCE6(rdev))
1049 		WREG32(DMIF_ADDR_CALC, gb_addr_config);
1050 	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
1051 	WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config);
1052 	WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config);
1053 	WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config);
1054 	WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
1055 	WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
1056 
1057 	if ((rdev->config.cayman.max_backends_per_se == 1) &&
1058 	    (rdev->flags & RADEON_IS_IGP)) {
1059 		if ((disabled_rb_mask & 3) == 1) {
1060 			/* RB0 disabled, RB1 enabled */
1061 			tmp = 0x11111111;
1062 		} else {
1063 			/* RB1 disabled, RB0 enabled */
1064 			tmp = 0x00000000;
1065 		}
1066 	} else {
1067 		tmp = gb_addr_config & NUM_PIPES_MASK;
1068 		tmp = r6xx_remap_render_backend(rdev, tmp,
1069 						rdev->config.cayman.max_backends_per_se *
1070 						rdev->config.cayman.max_shader_engines,
1071 						CAYMAN_MAX_BACKENDS, disabled_rb_mask);
1072 	}
1073 	WREG32(GB_BACKEND_MAP, tmp);
1074 
1075 	cgts_tcc_disable = 0xffff0000;
1076 	for (i = 0; i < rdev->config.cayman.max_texture_channel_caches; i++)
1077 		cgts_tcc_disable &= ~(1 << (16 + i));
1078 	WREG32(CGTS_TCC_DISABLE, cgts_tcc_disable);
1079 	WREG32(CGTS_SYS_TCC_DISABLE, cgts_tcc_disable);
1080 	WREG32(CGTS_USER_SYS_TCC_DISABLE, cgts_tcc_disable);
1081 	WREG32(CGTS_USER_TCC_DISABLE, cgts_tcc_disable);
1082 
1083 	/* reprogram the shader complex */
1084 	cgts_sm_ctrl_reg = RREG32(CGTS_SM_CTRL_REG);
1085 	for (i = 0; i < 16; i++)
1086 		WREG32(CGTS_SM_CTRL_REG, OVERRIDE);
1087 	WREG32(CGTS_SM_CTRL_REG, cgts_sm_ctrl_reg);
1088 
1089 	/* set HW defaults for 3D engine */
1090 	WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
1091 
1092 	sx_debug_1 = RREG32(SX_DEBUG_1);
1093 	sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
1094 	WREG32(SX_DEBUG_1, sx_debug_1);
1095 
1096 	smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
1097 	smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
1098 	smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.cayman.sx_num_of_sets);
1099 	WREG32(SMX_DC_CTL0, smx_dc_ctl0);
1100 
1101 	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4) | CRC_SIMD_ID_WADDR_DISABLE);
1102 
1103 	/* need to be explicitly zero-ed */
1104 	WREG32(VGT_OFFCHIP_LDS_BASE, 0);
1105 	WREG32(SQ_LSTMP_RING_BASE, 0);
1106 	WREG32(SQ_HSTMP_RING_BASE, 0);
1107 	WREG32(SQ_ESTMP_RING_BASE, 0);
1108 	WREG32(SQ_GSTMP_RING_BASE, 0);
1109 	WREG32(SQ_VSTMP_RING_BASE, 0);
1110 	WREG32(SQ_PSTMP_RING_BASE, 0);
1111 
1112 	WREG32(TA_CNTL_AUX, DISABLE_CUBE_ANISO);
1113 
1114 	WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.cayman.sx_max_export_size / 4) - 1) |
1115 					POSITION_BUFFER_SIZE((rdev->config.cayman.sx_max_export_pos_size / 4) - 1) |
1116 					SMX_BUFFER_SIZE((rdev->config.cayman.sx_max_export_smx_size / 4) - 1)));
1117 
1118 	WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.cayman.sc_prim_fifo_size) |
1119 				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_hiz_tile_fifo_size) |
1120 				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.cayman.sc_earlyz_tile_fifo_size)));
1121 
1122 
1123 	WREG32(VGT_NUM_INSTANCES, 1);
1124 
1125 	WREG32(CP_PERFMON_CNTL, 0);
1126 
1127 	WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.cayman.sq_num_cf_insts) |
1128 				  FETCH_FIFO_HIWATER(0x4) |
1129 				  DONE_FIFO_HIWATER(0xe0) |
1130 				  ALU_UPDATE_FIFO_HIWATER(0x8)));
1131 
1132 	WREG32(SQ_GPR_RESOURCE_MGMT_1, NUM_CLAUSE_TEMP_GPRS(4));
1133 	WREG32(SQ_CONFIG, (VC_ENABLE |
1134 			   EXPORT_SRC_C |
1135 			   GFX_PRIO(0) |
1136 			   CS1_PRIO(0) |
1137 			   CS2_PRIO(1)));
1138 	WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, DYN_GPR_ENABLE);
1139 
1140 	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
1141 					  FORCE_EOV_MAX_REZ_CNT(255)));
1142 
1143 	WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
1144 	       AUTO_INVLD_EN(ES_AND_GS_AUTO));
1145 
1146 	WREG32(VGT_GS_VERTEX_REUSE, 16);
1147 	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
1148 
1149 	WREG32(CB_PERF_CTR0_SEL_0, 0);
1150 	WREG32(CB_PERF_CTR0_SEL_1, 0);
1151 	WREG32(CB_PERF_CTR1_SEL_0, 0);
1152 	WREG32(CB_PERF_CTR1_SEL_1, 0);
1153 	WREG32(CB_PERF_CTR2_SEL_0, 0);
1154 	WREG32(CB_PERF_CTR2_SEL_1, 0);
1155 	WREG32(CB_PERF_CTR3_SEL_0, 0);
1156 	WREG32(CB_PERF_CTR3_SEL_1, 0);
1157 
1158 	tmp = RREG32(HDP_MISC_CNTL);
1159 	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
1160 	WREG32(HDP_MISC_CNTL, tmp);
1161 
1162 	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
1163 	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
1164 
1165 	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
1166 
1167 	udelay(50);
1168 
1169 	/* set clockgating golden values on TN */
1170 	if (rdev->family == CHIP_ARUBA) {
1171 		tmp = RREG32_CG(CG_CGTT_LOCAL_0);
1172 		tmp &= ~0x00380000;
1173 		WREG32_CG(CG_CGTT_LOCAL_0, tmp);
1174                 tmp = RREG32_CG(CG_CGTT_LOCAL_1);
1175 		tmp &= ~0x0e000000;
1176 		WREG32_CG(CG_CGTT_LOCAL_1, tmp);
1177 	}
1178 }
1179 
1180 /*
1181  * GART
1182  */
1183 void cayman_pcie_gart_tlb_flush(struct radeon_device *rdev)
1184 {
1185 	/* flush hdp cache */
1186 	WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1187 
1188 	/* bits 0-7 are the VM contexts0-7 */
1189 	WREG32(VM_INVALIDATE_REQUEST, 1);
1190 }
1191 
1192 static int cayman_pcie_gart_enable(struct radeon_device *rdev)
1193 {
1194 	int i, r;
1195 
1196 	if (rdev->gart.robj == NULL) {
1197 		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
1198 		return -EINVAL;
1199 	}
1200 	r = radeon_gart_table_vram_pin(rdev);
1201 	if (r)
1202 		return r;
1203 	radeon_gart_restore(rdev);
1204 	/* Setup TLB control */
1205 	WREG32(MC_VM_MX_L1_TLB_CNTL,
1206 	       (0xA << 7) |
1207 	       ENABLE_L1_TLB |
1208 	       ENABLE_L1_FRAGMENT_PROCESSING |
1209 	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1210 	       ENABLE_ADVANCED_DRIVER_MODEL |
1211 	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1212 	/* Setup L2 cache */
1213 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
1214 	       ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1215 	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1216 	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1217 	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1218 	WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
1219 	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1220 	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1221 	/* setup context0 */
1222 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
1223 	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
1224 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
1225 	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
1226 			(u32)(rdev->dummy_page.addr >> 12));
1227 	WREG32(VM_CONTEXT0_CNTL2, 0);
1228 	WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
1229 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
1230 
1231 	WREG32(0x15D4, 0);
1232 	WREG32(0x15D8, 0);
1233 	WREG32(0x15DC, 0);
1234 
1235 	/* empty context1-7 */
1236 	/* Assign the pt base to something valid for now; the pts used for
1237 	 * the VMs are determined by the application and setup and assigned
1238 	 * on the fly in the vm part of radeon_gart.c
1239 	 */
1240 	for (i = 1; i < 8; i++) {
1241 		WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR + (i << 2), 0);
1242 		WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR + (i << 2), rdev->vm_manager.max_pfn);
1243 		WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
1244 			rdev->gart.table_addr >> 12);
1245 	}
1246 
1247 	/* enable context1-7 */
1248 	WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
1249 	       (u32)(rdev->dummy_page.addr >> 12));
1250 	WREG32(VM_CONTEXT1_CNTL2, 4);
1251 	WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) |
1252 				RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1253 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1254 				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1255 				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT |
1256 				PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT |
1257 				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT |
1258 				VALID_PROTECTION_FAULT_ENABLE_INTERRUPT |
1259 				VALID_PROTECTION_FAULT_ENABLE_DEFAULT |
1260 				READ_PROTECTION_FAULT_ENABLE_INTERRUPT |
1261 				READ_PROTECTION_FAULT_ENABLE_DEFAULT |
1262 				WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT |
1263 				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT);
1264 
1265 	cayman_pcie_gart_tlb_flush(rdev);
1266 	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
1267 		 (unsigned)(rdev->mc.gtt_size >> 20),
1268 		 (unsigned long long)rdev->gart.table_addr);
1269 	rdev->gart.ready = true;
1270 	return 0;
1271 }
1272 
1273 static void cayman_pcie_gart_disable(struct radeon_device *rdev)
1274 {
1275 	/* Disable all tables */
1276 	WREG32(VM_CONTEXT0_CNTL, 0);
1277 	WREG32(VM_CONTEXT1_CNTL, 0);
1278 	/* Setup TLB control */
1279 	WREG32(MC_VM_MX_L1_TLB_CNTL, ENABLE_L1_FRAGMENT_PROCESSING |
1280 	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1281 	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
1282 	/* Setup L2 cache */
1283 	WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1284 	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
1285 	       EFFECTIVE_L2_QUEUE_SIZE(7) |
1286 	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
1287 	WREG32(VM_L2_CNTL2, 0);
1288 	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
1289 	       L2_CACHE_BIGK_FRAGMENT_SIZE(6));
1290 	radeon_gart_table_vram_unpin(rdev);
1291 }
1292 
1293 static void cayman_pcie_gart_fini(struct radeon_device *rdev)
1294 {
1295 	cayman_pcie_gart_disable(rdev);
1296 	radeon_gart_table_vram_free(rdev);
1297 	radeon_gart_fini(rdev);
1298 }
1299 
1300 void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
1301 			      int ring, u32 cp_int_cntl)
1302 {
1303 	u32 srbm_gfx_cntl = RREG32(SRBM_GFX_CNTL) & ~3;
1304 
1305 	WREG32(SRBM_GFX_CNTL, srbm_gfx_cntl | (ring & 3));
1306 	WREG32(CP_INT_CNTL, cp_int_cntl);
1307 }
1308 
1309 /*
1310  * CP.
1311  */
1312 void cayman_fence_ring_emit(struct radeon_device *rdev,
1313 			    struct radeon_fence *fence)
1314 {
1315 	struct radeon_ring *ring = &rdev->ring[fence->ring];
1316 	u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
1317 
1318 	/* flush read cache over gart for this vmid */
1319 	radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
1320 	radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
1321 	radeon_ring_write(ring, 0);
1322 	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1323 	radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | PACKET3_SH_ACTION_ENA);
1324 	radeon_ring_write(ring, 0xFFFFFFFF);
1325 	radeon_ring_write(ring, 0);
1326 	radeon_ring_write(ring, 10); /* poll interval */
1327 	/* EVENT_WRITE_EOP - flush caches, send int */
1328 	radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
1329 	radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
1330 	radeon_ring_write(ring, addr & 0xffffffff);
1331 	radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
1332 	radeon_ring_write(ring, fence->seq);
1333 	radeon_ring_write(ring, 0);
1334 }
1335 
1336 void cayman_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
1337 {
1338 	struct radeon_ring *ring = &rdev->ring[ib->ring];
1339 
1340 	/* set to DX10/11 mode */
1341 	radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
1342 	radeon_ring_write(ring, 1);
1343 
1344 	if (ring->rptr_save_reg) {
1345 		uint32_t next_rptr = ring->wptr + 3 + 4 + 8;
1346 		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
1347 		radeon_ring_write(ring, ((ring->rptr_save_reg -
1348 					  PACKET3_SET_CONFIG_REG_START) >> 2));
1349 		radeon_ring_write(ring, next_rptr);
1350 	}
1351 
1352 	radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
1353 	radeon_ring_write(ring,
1354 #ifdef __BIG_ENDIAN
1355 			  (2 << 0) |
1356 #endif
1357 			  (ib->gpu_addr & 0xFFFFFFFC));
1358 	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
1359 	radeon_ring_write(ring, ib->length_dw |
1360 			  (ib->vm ? (ib->vm->id << 24) : 0));
1361 
1362 	/* flush read cache over gart for this vmid */
1363 	radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
1364 	radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
1365 	radeon_ring_write(ring, ib->vm ? ib->vm->id : 0);
1366 	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
1367 	radeon_ring_write(ring, PACKET3_TC_ACTION_ENA | PACKET3_SH_ACTION_ENA);
1368 	radeon_ring_write(ring, 0xFFFFFFFF);
1369 	radeon_ring_write(ring, 0);
1370 	radeon_ring_write(ring, 10); /* poll interval */
1371 }
1372 
1373 void cayman_uvd_semaphore_emit(struct radeon_device *rdev,
1374 			       struct radeon_ring *ring,
1375 			       struct radeon_semaphore *semaphore,
1376 			       bool emit_wait)
1377 {
1378 	uint64_t addr = semaphore->gpu_addr;
1379 
1380 	radeon_ring_write(ring, PACKET0(UVD_SEMA_ADDR_LOW, 0));
1381 	radeon_ring_write(ring, (addr >> 3) & 0x000FFFFF);
1382 
1383 	radeon_ring_write(ring, PACKET0(UVD_SEMA_ADDR_HIGH, 0));
1384 	radeon_ring_write(ring, (addr >> 23) & 0x000FFFFF);
1385 
1386 	radeon_ring_write(ring, PACKET0(UVD_SEMA_CMD, 0));
1387 	radeon_ring_write(ring, 0x80 | (emit_wait ? 1 : 0));
1388 }
1389 
1390 static void cayman_cp_enable(struct radeon_device *rdev, bool enable)
1391 {
1392 	if (enable)
1393 		WREG32(CP_ME_CNTL, 0);
1394 	else {
1395 		radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1396 		WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
1397 		WREG32(SCRATCH_UMSK, 0);
1398 		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1399 	}
1400 }
1401 
1402 static int cayman_cp_load_microcode(struct radeon_device *rdev)
1403 {
1404 	const __be32 *fw_data;
1405 	int i;
1406 
1407 	if (!rdev->me_fw || !rdev->pfp_fw)
1408 		return -EINVAL;
1409 
1410 	cayman_cp_enable(rdev, false);
1411 
1412 	fw_data = (const __be32 *)rdev->pfp_fw->data;
1413 	WREG32(CP_PFP_UCODE_ADDR, 0);
1414 	for (i = 0; i < CAYMAN_PFP_UCODE_SIZE; i++)
1415 		WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1416 	WREG32(CP_PFP_UCODE_ADDR, 0);
1417 
1418 	fw_data = (const __be32 *)rdev->me_fw->data;
1419 	WREG32(CP_ME_RAM_WADDR, 0);
1420 	for (i = 0; i < CAYMAN_PM4_UCODE_SIZE; i++)
1421 		WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1422 
1423 	WREG32(CP_PFP_UCODE_ADDR, 0);
1424 	WREG32(CP_ME_RAM_WADDR, 0);
1425 	WREG32(CP_ME_RAM_RADDR, 0);
1426 	return 0;
1427 }
1428 
1429 static int cayman_cp_start(struct radeon_device *rdev)
1430 {
1431 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1432 	int r, i;
1433 
1434 	r = radeon_ring_lock(rdev, ring, 7);
1435 	if (r) {
1436 		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1437 		return r;
1438 	}
1439 	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
1440 	radeon_ring_write(ring, 0x1);
1441 	radeon_ring_write(ring, 0x0);
1442 	radeon_ring_write(ring, rdev->config.cayman.max_hw_contexts - 1);
1443 	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
1444 	radeon_ring_write(ring, 0);
1445 	radeon_ring_write(ring, 0);
1446 	radeon_ring_unlock_commit(rdev, ring);
1447 
1448 	cayman_cp_enable(rdev, true);
1449 
1450 	r = radeon_ring_lock(rdev, ring, cayman_default_size + 19);
1451 	if (r) {
1452 		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1453 		return r;
1454 	}
1455 
1456 	/* setup clear context state */
1457 	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1458 	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
1459 
1460 	for (i = 0; i < cayman_default_size; i++)
1461 		radeon_ring_write(ring, cayman_default_state[i]);
1462 
1463 	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1464 	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
1465 
1466 	/* set clear context state */
1467 	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
1468 	radeon_ring_write(ring, 0);
1469 
1470 	/* SQ_VTX_BASE_VTX_LOC */
1471 	radeon_ring_write(ring, 0xc0026f00);
1472 	radeon_ring_write(ring, 0x00000000);
1473 	radeon_ring_write(ring, 0x00000000);
1474 	radeon_ring_write(ring, 0x00000000);
1475 
1476 	/* Clear consts */
1477 	radeon_ring_write(ring, 0xc0036f00);
1478 	radeon_ring_write(ring, 0x00000bc4);
1479 	radeon_ring_write(ring, 0xffffffff);
1480 	radeon_ring_write(ring, 0xffffffff);
1481 	radeon_ring_write(ring, 0xffffffff);
1482 
1483 	radeon_ring_write(ring, 0xc0026900);
1484 	radeon_ring_write(ring, 0x00000316);
1485 	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
1486 	radeon_ring_write(ring, 0x00000010); /*  */
1487 
1488 	radeon_ring_unlock_commit(rdev, ring);
1489 
1490 	/* XXX init other rings */
1491 
1492 	return 0;
1493 }
1494 
1495 static void cayman_cp_fini(struct radeon_device *rdev)
1496 {
1497 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1498 	cayman_cp_enable(rdev, false);
1499 	radeon_ring_fini(rdev, ring);
1500 	radeon_scratch_free(rdev, ring->rptr_save_reg);
1501 }
1502 
1503 static int cayman_cp_resume(struct radeon_device *rdev)
1504 {
1505 	static const int ridx[] = {
1506 		RADEON_RING_TYPE_GFX_INDEX,
1507 		CAYMAN_RING_TYPE_CP1_INDEX,
1508 		CAYMAN_RING_TYPE_CP2_INDEX
1509 	};
1510 	static const unsigned cp_rb_cntl[] = {
1511 		CP_RB0_CNTL,
1512 		CP_RB1_CNTL,
1513 		CP_RB2_CNTL,
1514 	};
1515 	static const unsigned cp_rb_rptr_addr[] = {
1516 		CP_RB0_RPTR_ADDR,
1517 		CP_RB1_RPTR_ADDR,
1518 		CP_RB2_RPTR_ADDR
1519 	};
1520 	static const unsigned cp_rb_rptr_addr_hi[] = {
1521 		CP_RB0_RPTR_ADDR_HI,
1522 		CP_RB1_RPTR_ADDR_HI,
1523 		CP_RB2_RPTR_ADDR_HI
1524 	};
1525 	static const unsigned cp_rb_base[] = {
1526 		CP_RB0_BASE,
1527 		CP_RB1_BASE,
1528 		CP_RB2_BASE
1529 	};
1530 	struct radeon_ring *ring;
1531 	int i, r;
1532 
1533 	/* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1534 	WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1535 				 SOFT_RESET_PA |
1536 				 SOFT_RESET_SH |
1537 				 SOFT_RESET_VGT |
1538 				 SOFT_RESET_SPI |
1539 				 SOFT_RESET_SX));
1540 	RREG32(GRBM_SOFT_RESET);
1541 	mdelay(15);
1542 	WREG32(GRBM_SOFT_RESET, 0);
1543 	RREG32(GRBM_SOFT_RESET);
1544 
1545 	WREG32(CP_SEM_WAIT_TIMER, 0x0);
1546 	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
1547 
1548 	/* Set the write pointer delay */
1549 	WREG32(CP_RB_WPTR_DELAY, 0);
1550 
1551 	WREG32(CP_DEBUG, (1 << 27));
1552 
1553 	/* set the wb address whether it's enabled or not */
1554 	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1555 	WREG32(SCRATCH_UMSK, 0xff);
1556 
1557 	for (i = 0; i < 3; ++i) {
1558 		uint32_t rb_cntl;
1559 		uint64_t addr;
1560 
1561 		/* Set ring buffer size */
1562 		ring = &rdev->ring[ridx[i]];
1563 		rb_cntl = drm_order(ring->ring_size / 8);
1564 		rb_cntl |= drm_order(RADEON_GPU_PAGE_SIZE/8) << 8;
1565 #ifdef __BIG_ENDIAN
1566 		rb_cntl |= BUF_SWAP_32BIT;
1567 #endif
1568 		WREG32(cp_rb_cntl[i], rb_cntl);
1569 
1570 		/* set the wb address whether it's enabled or not */
1571 		addr = rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET;
1572 		WREG32(cp_rb_rptr_addr[i], addr & 0xFFFFFFFC);
1573 		WREG32(cp_rb_rptr_addr_hi[i], upper_32_bits(addr) & 0xFF);
1574 	}
1575 
1576 	/* set the rb base addr, this causes an internal reset of ALL rings */
1577 	for (i = 0; i < 3; ++i) {
1578 		ring = &rdev->ring[ridx[i]];
1579 		WREG32(cp_rb_base[i], ring->gpu_addr >> 8);
1580 	}
1581 
1582 	for (i = 0; i < 3; ++i) {
1583 		/* Initialize the ring buffer's read and write pointers */
1584 		ring = &rdev->ring[ridx[i]];
1585 		WREG32_P(cp_rb_cntl[i], RB_RPTR_WR_ENA, ~RB_RPTR_WR_ENA);
1586 
1587 		ring->rptr = ring->wptr = 0;
1588 		WREG32(ring->rptr_reg, ring->rptr);
1589 		WREG32(ring->wptr_reg, ring->wptr);
1590 
1591 		mdelay(1);
1592 		WREG32_P(cp_rb_cntl[i], 0, ~RB_RPTR_WR_ENA);
1593 	}
1594 
1595 	/* start the rings */
1596 	cayman_cp_start(rdev);
1597 	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
1598 	rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1599 	rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1600 	/* this only test cp0 */
1601 	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
1602 	if (r) {
1603 		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
1604 		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
1605 		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
1606 		return r;
1607 	}
1608 
1609 	return 0;
1610 }
1611 
1612 /*
1613  * DMA
1614  * Starting with R600, the GPU has an asynchronous
1615  * DMA engine.  The programming model is very similar
1616  * to the 3D engine (ring buffer, IBs, etc.), but the
1617  * DMA controller has it's own packet format that is
1618  * different form the PM4 format used by the 3D engine.
1619  * It supports copying data, writing embedded data,
1620  * solid fills, and a number of other things.  It also
1621  * has support for tiling/detiling of buffers.
1622  * Cayman and newer support two asynchronous DMA engines.
1623  */
1624 /**
1625  * cayman_dma_ring_ib_execute - Schedule an IB on the DMA engine
1626  *
1627  * @rdev: radeon_device pointer
1628  * @ib: IB object to schedule
1629  *
1630  * Schedule an IB in the DMA ring (cayman-SI).
1631  */
1632 void cayman_dma_ring_ib_execute(struct radeon_device *rdev,
1633 				struct radeon_ib *ib)
1634 {
1635 	struct radeon_ring *ring = &rdev->ring[ib->ring];
1636 
1637 	if (rdev->wb.enabled) {
1638 		u32 next_rptr = ring->wptr + 4;
1639 		while ((next_rptr & 7) != 5)
1640 			next_rptr++;
1641 		next_rptr += 3;
1642 		radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 1));
1643 		radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
1644 		radeon_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr) & 0xff);
1645 		radeon_ring_write(ring, next_rptr);
1646 	}
1647 
1648 	/* The indirect buffer packet must end on an 8 DW boundary in the DMA ring.
1649 	 * Pad as necessary with NOPs.
1650 	 */
1651 	while ((ring->wptr & 7) != 5)
1652 		radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
1653 	radeon_ring_write(ring, DMA_IB_PACKET(DMA_PACKET_INDIRECT_BUFFER, ib->vm ? ib->vm->id : 0, 0));
1654 	radeon_ring_write(ring, (ib->gpu_addr & 0xFFFFFFE0));
1655 	radeon_ring_write(ring, (ib->length_dw << 12) | (upper_32_bits(ib->gpu_addr) & 0xFF));
1656 
1657 }
1658 
1659 /**
1660  * cayman_dma_stop - stop the async dma engines
1661  *
1662  * @rdev: radeon_device pointer
1663  *
1664  * Stop the async dma engines (cayman-SI).
1665  */
1666 void cayman_dma_stop(struct radeon_device *rdev)
1667 {
1668 	u32 rb_cntl;
1669 
1670 	radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
1671 
1672 	/* dma0 */
1673 	rb_cntl = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
1674 	rb_cntl &= ~DMA_RB_ENABLE;
1675 	WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, rb_cntl);
1676 
1677 	/* dma1 */
1678 	rb_cntl = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
1679 	rb_cntl &= ~DMA_RB_ENABLE;
1680 	WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, rb_cntl);
1681 
1682 	rdev->ring[R600_RING_TYPE_DMA_INDEX].ready = false;
1683 	rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX].ready = false;
1684 }
1685 
1686 /**
1687  * cayman_dma_resume - setup and start the async dma engines
1688  *
1689  * @rdev: radeon_device pointer
1690  *
1691  * Set up the DMA ring buffers and enable them. (cayman-SI).
1692  * Returns 0 for success, error for failure.
1693  */
1694 int cayman_dma_resume(struct radeon_device *rdev)
1695 {
1696 	struct radeon_ring *ring;
1697 	u32 rb_cntl, dma_cntl, ib_cntl;
1698 	u32 rb_bufsz;
1699 	u32 reg_offset, wb_offset;
1700 	int i, r;
1701 
1702 	/* Reset dma */
1703 	WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA | SOFT_RESET_DMA1);
1704 	RREG32(SRBM_SOFT_RESET);
1705 	udelay(50);
1706 	WREG32(SRBM_SOFT_RESET, 0);
1707 
1708 	for (i = 0; i < 2; i++) {
1709 		if (i == 0) {
1710 			ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
1711 			reg_offset = DMA0_REGISTER_OFFSET;
1712 			wb_offset = R600_WB_DMA_RPTR_OFFSET;
1713 		} else {
1714 			ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
1715 			reg_offset = DMA1_REGISTER_OFFSET;
1716 			wb_offset = CAYMAN_WB_DMA1_RPTR_OFFSET;
1717 		}
1718 
1719 		WREG32(DMA_SEM_INCOMPLETE_TIMER_CNTL + reg_offset, 0);
1720 		WREG32(DMA_SEM_WAIT_FAIL_TIMER_CNTL + reg_offset, 0);
1721 
1722 		/* Set ring buffer size in dwords */
1723 		rb_bufsz = drm_order(ring->ring_size / 4);
1724 		rb_cntl = rb_bufsz << 1;
1725 #ifdef __BIG_ENDIAN
1726 		rb_cntl |= DMA_RB_SWAP_ENABLE | DMA_RPTR_WRITEBACK_SWAP_ENABLE;
1727 #endif
1728 		WREG32(DMA_RB_CNTL + reg_offset, rb_cntl);
1729 
1730 		/* Initialize the ring buffer's read and write pointers */
1731 		WREG32(DMA_RB_RPTR + reg_offset, 0);
1732 		WREG32(DMA_RB_WPTR + reg_offset, 0);
1733 
1734 		/* set the wb address whether it's enabled or not */
1735 		WREG32(DMA_RB_RPTR_ADDR_HI + reg_offset,
1736 		       upper_32_bits(rdev->wb.gpu_addr + wb_offset) & 0xFF);
1737 		WREG32(DMA_RB_RPTR_ADDR_LO + reg_offset,
1738 		       ((rdev->wb.gpu_addr + wb_offset) & 0xFFFFFFFC));
1739 
1740 		if (rdev->wb.enabled)
1741 			rb_cntl |= DMA_RPTR_WRITEBACK_ENABLE;
1742 
1743 		WREG32(DMA_RB_BASE + reg_offset, ring->gpu_addr >> 8);
1744 
1745 		/* enable DMA IBs */
1746 		ib_cntl = DMA_IB_ENABLE | CMD_VMID_FORCE;
1747 #ifdef __BIG_ENDIAN
1748 		ib_cntl |= DMA_IB_SWAP_ENABLE;
1749 #endif
1750 		WREG32(DMA_IB_CNTL + reg_offset, ib_cntl);
1751 
1752 		dma_cntl = RREG32(DMA_CNTL + reg_offset);
1753 		dma_cntl &= ~CTXEMPTY_INT_ENABLE;
1754 		WREG32(DMA_CNTL + reg_offset, dma_cntl);
1755 
1756 		ring->wptr = 0;
1757 		WREG32(DMA_RB_WPTR + reg_offset, ring->wptr << 2);
1758 
1759 		ring->rptr = RREG32(DMA_RB_RPTR + reg_offset) >> 2;
1760 
1761 		WREG32(DMA_RB_CNTL + reg_offset, rb_cntl | DMA_RB_ENABLE);
1762 
1763 		ring->ready = true;
1764 
1765 		r = radeon_ring_test(rdev, ring->idx, ring);
1766 		if (r) {
1767 			ring->ready = false;
1768 			return r;
1769 		}
1770 	}
1771 
1772 	radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
1773 
1774 	return 0;
1775 }
1776 
1777 /**
1778  * cayman_dma_fini - tear down the async dma engines
1779  *
1780  * @rdev: radeon_device pointer
1781  *
1782  * Stop the async dma engines and free the rings (cayman-SI).
1783  */
1784 void cayman_dma_fini(struct radeon_device *rdev)
1785 {
1786 	cayman_dma_stop(rdev);
1787 	radeon_ring_fini(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX]);
1788 	radeon_ring_fini(rdev, &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX]);
1789 }
1790 
1791 static u32 cayman_gpu_check_soft_reset(struct radeon_device *rdev)
1792 {
1793 	u32 reset_mask = 0;
1794 	u32 tmp;
1795 
1796 	/* GRBM_STATUS */
1797 	tmp = RREG32(GRBM_STATUS);
1798 	if (tmp & (PA_BUSY | SC_BUSY |
1799 		   SH_BUSY | SX_BUSY |
1800 		   TA_BUSY | VGT_BUSY |
1801 		   DB_BUSY | CB_BUSY |
1802 		   GDS_BUSY | SPI_BUSY |
1803 		   IA_BUSY | IA_BUSY_NO_DMA))
1804 		reset_mask |= RADEON_RESET_GFX;
1805 
1806 	if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING |
1807 		   CP_BUSY | CP_COHERENCY_BUSY))
1808 		reset_mask |= RADEON_RESET_CP;
1809 
1810 	if (tmp & GRBM_EE_BUSY)
1811 		reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
1812 
1813 	/* DMA_STATUS_REG 0 */
1814 	tmp = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET);
1815 	if (!(tmp & DMA_IDLE))
1816 		reset_mask |= RADEON_RESET_DMA;
1817 
1818 	/* DMA_STATUS_REG 1 */
1819 	tmp = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET);
1820 	if (!(tmp & DMA_IDLE))
1821 		reset_mask |= RADEON_RESET_DMA1;
1822 
1823 	/* SRBM_STATUS2 */
1824 	tmp = RREG32(SRBM_STATUS2);
1825 	if (tmp & DMA_BUSY)
1826 		reset_mask |= RADEON_RESET_DMA;
1827 
1828 	if (tmp & DMA1_BUSY)
1829 		reset_mask |= RADEON_RESET_DMA1;
1830 
1831 	/* SRBM_STATUS */
1832 	tmp = RREG32(SRBM_STATUS);
1833 	if (tmp & (RLC_RQ_PENDING | RLC_BUSY))
1834 		reset_mask |= RADEON_RESET_RLC;
1835 
1836 	if (tmp & IH_BUSY)
1837 		reset_mask |= RADEON_RESET_IH;
1838 
1839 	if (tmp & SEM_BUSY)
1840 		reset_mask |= RADEON_RESET_SEM;
1841 
1842 	if (tmp & GRBM_RQ_PENDING)
1843 		reset_mask |= RADEON_RESET_GRBM;
1844 
1845 	if (tmp & VMC_BUSY)
1846 		reset_mask |= RADEON_RESET_VMC;
1847 
1848 	if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY |
1849 		   MCC_BUSY | MCD_BUSY))
1850 		reset_mask |= RADEON_RESET_MC;
1851 
1852 	if (evergreen_is_display_hung(rdev))
1853 		reset_mask |= RADEON_RESET_DISPLAY;
1854 
1855 	/* VM_L2_STATUS */
1856 	tmp = RREG32(VM_L2_STATUS);
1857 	if (tmp & L2_BUSY)
1858 		reset_mask |= RADEON_RESET_VMC;
1859 
1860 	/* Skip MC reset as it's mostly likely not hung, just busy */
1861 	if (reset_mask & RADEON_RESET_MC) {
1862 		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
1863 		reset_mask &= ~RADEON_RESET_MC;
1864 	}
1865 
1866 	return reset_mask;
1867 }
1868 
1869 static void cayman_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
1870 {
1871 	struct evergreen_mc_save save;
1872 	u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
1873 	u32 tmp;
1874 
1875 	if (reset_mask == 0)
1876 		return;
1877 
1878 	dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
1879 
1880 	evergreen_print_gpu_status_regs(rdev);
1881 	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_ADDR   0x%08X\n",
1882 		 RREG32(0x14F8));
1883 	dev_info(rdev->dev, "  VM_CONTEXT0_PROTECTION_FAULT_STATUS 0x%08X\n",
1884 		 RREG32(0x14D8));
1885 	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
1886 		 RREG32(0x14FC));
1887 	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1888 		 RREG32(0x14DC));
1889 
1890 	/* Disable CP parsing/prefetching */
1891 	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
1892 
1893 	if (reset_mask & RADEON_RESET_DMA) {
1894 		/* dma0 */
1895 		tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
1896 		tmp &= ~DMA_RB_ENABLE;
1897 		WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
1898 	}
1899 
1900 	if (reset_mask & RADEON_RESET_DMA1) {
1901 		/* dma1 */
1902 		tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
1903 		tmp &= ~DMA_RB_ENABLE;
1904 		WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
1905 	}
1906 
1907 	udelay(50);
1908 
1909 	evergreen_mc_stop(rdev, &save);
1910 	if (evergreen_mc_wait_for_idle(rdev)) {
1911 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1912 	}
1913 
1914 	if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
1915 		grbm_soft_reset = SOFT_RESET_CB |
1916 			SOFT_RESET_DB |
1917 			SOFT_RESET_GDS |
1918 			SOFT_RESET_PA |
1919 			SOFT_RESET_SC |
1920 			SOFT_RESET_SPI |
1921 			SOFT_RESET_SH |
1922 			SOFT_RESET_SX |
1923 			SOFT_RESET_TC |
1924 			SOFT_RESET_TA |
1925 			SOFT_RESET_VGT |
1926 			SOFT_RESET_IA;
1927 	}
1928 
1929 	if (reset_mask & RADEON_RESET_CP) {
1930 		grbm_soft_reset |= SOFT_RESET_CP | SOFT_RESET_VGT;
1931 
1932 		srbm_soft_reset |= SOFT_RESET_GRBM;
1933 	}
1934 
1935 	if (reset_mask & RADEON_RESET_DMA)
1936 		srbm_soft_reset |= SOFT_RESET_DMA;
1937 
1938 	if (reset_mask & RADEON_RESET_DMA1)
1939 		srbm_soft_reset |= SOFT_RESET_DMA1;
1940 
1941 	if (reset_mask & RADEON_RESET_DISPLAY)
1942 		srbm_soft_reset |= SOFT_RESET_DC;
1943 
1944 	if (reset_mask & RADEON_RESET_RLC)
1945 		srbm_soft_reset |= SOFT_RESET_RLC;
1946 
1947 	if (reset_mask & RADEON_RESET_SEM)
1948 		srbm_soft_reset |= SOFT_RESET_SEM;
1949 
1950 	if (reset_mask & RADEON_RESET_IH)
1951 		srbm_soft_reset |= SOFT_RESET_IH;
1952 
1953 	if (reset_mask & RADEON_RESET_GRBM)
1954 		srbm_soft_reset |= SOFT_RESET_GRBM;
1955 
1956 	if (reset_mask & RADEON_RESET_VMC)
1957 		srbm_soft_reset |= SOFT_RESET_VMC;
1958 
1959 	if (!(rdev->flags & RADEON_IS_IGP)) {
1960 		if (reset_mask & RADEON_RESET_MC)
1961 			srbm_soft_reset |= SOFT_RESET_MC;
1962 	}
1963 
1964 	if (grbm_soft_reset) {
1965 		tmp = RREG32(GRBM_SOFT_RESET);
1966 		tmp |= grbm_soft_reset;
1967 		dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
1968 		WREG32(GRBM_SOFT_RESET, tmp);
1969 		tmp = RREG32(GRBM_SOFT_RESET);
1970 
1971 		udelay(50);
1972 
1973 		tmp &= ~grbm_soft_reset;
1974 		WREG32(GRBM_SOFT_RESET, tmp);
1975 		tmp = RREG32(GRBM_SOFT_RESET);
1976 	}
1977 
1978 	if (srbm_soft_reset) {
1979 		tmp = RREG32(SRBM_SOFT_RESET);
1980 		tmp |= srbm_soft_reset;
1981 		dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1982 		WREG32(SRBM_SOFT_RESET, tmp);
1983 		tmp = RREG32(SRBM_SOFT_RESET);
1984 
1985 		udelay(50);
1986 
1987 		tmp &= ~srbm_soft_reset;
1988 		WREG32(SRBM_SOFT_RESET, tmp);
1989 		tmp = RREG32(SRBM_SOFT_RESET);
1990 	}
1991 
1992 	/* Wait a little for things to settle down */
1993 	udelay(50);
1994 
1995 	evergreen_mc_resume(rdev, &save);
1996 	udelay(50);
1997 
1998 	evergreen_print_gpu_status_regs(rdev);
1999 }
2000 
2001 int cayman_asic_reset(struct radeon_device *rdev)
2002 {
2003 	u32 reset_mask;
2004 
2005 	reset_mask = cayman_gpu_check_soft_reset(rdev);
2006 
2007 	if (reset_mask)
2008 		r600_set_bios_scratch_engine_hung(rdev, true);
2009 
2010 	cayman_gpu_soft_reset(rdev, reset_mask);
2011 
2012 	reset_mask = cayman_gpu_check_soft_reset(rdev);
2013 
2014 	if (!reset_mask)
2015 		r600_set_bios_scratch_engine_hung(rdev, false);
2016 
2017 	return 0;
2018 }
2019 
2020 /**
2021  * cayman_gfx_is_lockup - Check if the GFX engine is locked up
2022  *
2023  * @rdev: radeon_device pointer
2024  * @ring: radeon_ring structure holding ring information
2025  *
2026  * Check if the GFX engine is locked up.
2027  * Returns true if the engine appears to be locked up, false if not.
2028  */
2029 bool cayman_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
2030 {
2031 	u32 reset_mask = cayman_gpu_check_soft_reset(rdev);
2032 
2033 	if (!(reset_mask & (RADEON_RESET_GFX |
2034 			    RADEON_RESET_COMPUTE |
2035 			    RADEON_RESET_CP))) {
2036 		radeon_ring_lockup_update(ring);
2037 		return false;
2038 	}
2039 	/* force CP activities */
2040 	radeon_ring_force_activity(rdev, ring);
2041 	return radeon_ring_test_lockup(rdev, ring);
2042 }
2043 
2044 /**
2045  * cayman_dma_is_lockup - Check if the DMA engine is locked up
2046  *
2047  * @rdev: radeon_device pointer
2048  * @ring: radeon_ring structure holding ring information
2049  *
2050  * Check if the async DMA engine is locked up.
2051  * Returns true if the engine appears to be locked up, false if not.
2052  */
2053 bool cayman_dma_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
2054 {
2055 	u32 reset_mask = cayman_gpu_check_soft_reset(rdev);
2056 	u32 mask;
2057 
2058 	if (ring->idx == R600_RING_TYPE_DMA_INDEX)
2059 		mask = RADEON_RESET_DMA;
2060 	else
2061 		mask = RADEON_RESET_DMA1;
2062 
2063 	if (!(reset_mask & mask)) {
2064 		radeon_ring_lockup_update(ring);
2065 		return false;
2066 	}
2067 	/* force ring activities */
2068 	radeon_ring_force_activity(rdev, ring);
2069 	return radeon_ring_test_lockup(rdev, ring);
2070 }
2071 
2072 static int cayman_startup(struct radeon_device *rdev)
2073 {
2074 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2075 	int r;
2076 
2077 	/* enable pcie gen2 link */
2078 	evergreen_pcie_gen2_enable(rdev);
2079 	/* enable aspm */
2080 	evergreen_program_aspm(rdev);
2081 
2082 	if (rdev->flags & RADEON_IS_IGP) {
2083 		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
2084 			r = ni_init_microcode(rdev);
2085 			if (r) {
2086 				DRM_ERROR("Failed to load firmware!\n");
2087 				return r;
2088 			}
2089 		}
2090 	} else {
2091 		if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
2092 			r = ni_init_microcode(rdev);
2093 			if (r) {
2094 				DRM_ERROR("Failed to load firmware!\n");
2095 				return r;
2096 			}
2097 		}
2098 
2099 		r = ni_mc_load_microcode(rdev);
2100 		if (r) {
2101 			DRM_ERROR("Failed to load MC firmware!\n");
2102 			return r;
2103 		}
2104 	}
2105 
2106 	r = r600_vram_scratch_init(rdev);
2107 	if (r)
2108 		return r;
2109 
2110 	evergreen_mc_program(rdev);
2111 	r = cayman_pcie_gart_enable(rdev);
2112 	if (r)
2113 		return r;
2114 	cayman_gpu_init(rdev);
2115 
2116 	r = evergreen_blit_init(rdev);
2117 	if (r) {
2118 		r600_blit_fini(rdev);
2119 		rdev->asic->copy.copy = NULL;
2120 		dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
2121 	}
2122 
2123 	/* allocate rlc buffers */
2124 	if (rdev->flags & RADEON_IS_IGP) {
2125 		rdev->rlc.reg_list = tn_rlc_save_restore_register_list;
2126 		rdev->rlc.reg_list_size = tn_rlc_save_restore_register_list_size;
2127 		rdev->rlc.cs_data = cayman_cs_data;
2128 		r = sumo_rlc_init(rdev);
2129 		if (r) {
2130 			DRM_ERROR("Failed to init rlc BOs!\n");
2131 			return r;
2132 		}
2133 	}
2134 
2135 	/* allocate wb buffer */
2136 	r = radeon_wb_init(rdev);
2137 	if (r)
2138 		return r;
2139 
2140 	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
2141 	if (r) {
2142 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2143 		return r;
2144 	}
2145 
2146 	r = rv770_uvd_resume(rdev);
2147 	if (!r) {
2148 		r = radeon_fence_driver_start_ring(rdev,
2149 						   R600_RING_TYPE_UVD_INDEX);
2150 		if (r)
2151 			dev_err(rdev->dev, "UVD fences init error (%d).\n", r);
2152 	}
2153 	if (r)
2154 		rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
2155 
2156 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
2157 	if (r) {
2158 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2159 		return r;
2160 	}
2161 
2162 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
2163 	if (r) {
2164 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
2165 		return r;
2166 	}
2167 
2168 	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
2169 	if (r) {
2170 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2171 		return r;
2172 	}
2173 
2174 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
2175 	if (r) {
2176 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
2177 		return r;
2178 	}
2179 
2180 	/* Enable IRQ */
2181 	if (!rdev->irq.installed) {
2182 		r = radeon_irq_kms_init(rdev);
2183 		if (r)
2184 			return r;
2185 	}
2186 
2187 	r = r600_irq_init(rdev);
2188 	if (r) {
2189 		DRM_ERROR("radeon: IH init failed (%d).\n", r);
2190 		radeon_irq_kms_fini(rdev);
2191 		return r;
2192 	}
2193 	evergreen_irq_set(rdev);
2194 
2195 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
2196 			     CP_RB0_RPTR, CP_RB0_WPTR,
2197 			     0, 0xfffff, RADEON_CP_PACKET2);
2198 	if (r)
2199 		return r;
2200 
2201 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2202 	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
2203 			     DMA_RB_RPTR + DMA0_REGISTER_OFFSET,
2204 			     DMA_RB_WPTR + DMA0_REGISTER_OFFSET,
2205 			     2, 0x3fffc, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2206 	if (r)
2207 		return r;
2208 
2209 	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2210 	r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET,
2211 			     DMA_RB_RPTR + DMA1_REGISTER_OFFSET,
2212 			     DMA_RB_WPTR + DMA1_REGISTER_OFFSET,
2213 			     2, 0x3fffc, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
2214 	if (r)
2215 		return r;
2216 
2217 	r = cayman_cp_load_microcode(rdev);
2218 	if (r)
2219 		return r;
2220 	r = cayman_cp_resume(rdev);
2221 	if (r)
2222 		return r;
2223 
2224 	r = cayman_dma_resume(rdev);
2225 	if (r)
2226 		return r;
2227 
2228 	ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2229 	if (ring->ring_size) {
2230 		r = radeon_ring_init(rdev, ring, ring->ring_size,
2231 				     R600_WB_UVD_RPTR_OFFSET,
2232 				     UVD_RBC_RB_RPTR, UVD_RBC_RB_WPTR,
2233 				     0, 0xfffff, RADEON_CP_PACKET2);
2234 		if (!r)
2235 			r = r600_uvd_init(rdev);
2236 		if (r)
2237 			DRM_ERROR("radeon: failed initializing UVD (%d).\n", r);
2238 	}
2239 
2240 	r = radeon_ib_pool_init(rdev);
2241 	if (r) {
2242 		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
2243 		return r;
2244 	}
2245 
2246 	r = radeon_vm_manager_init(rdev);
2247 	if (r) {
2248 		dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
2249 		return r;
2250 	}
2251 
2252 	r = r600_audio_init(rdev);
2253 	if (r)
2254 		return r;
2255 
2256 	return 0;
2257 }
2258 
2259 int cayman_resume(struct radeon_device *rdev)
2260 {
2261 	int r;
2262 
2263 	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
2264 	 * posting will perform necessary task to bring back GPU into good
2265 	 * shape.
2266 	 */
2267 	/* post card */
2268 	atom_asic_init(rdev->mode_info.atom_context);
2269 
2270 	/* init golden registers */
2271 	ni_init_golden_registers(rdev);
2272 
2273 	rdev->accel_working = true;
2274 	r = cayman_startup(rdev);
2275 	if (r) {
2276 		DRM_ERROR("cayman startup failed on resume\n");
2277 		rdev->accel_working = false;
2278 		return r;
2279 	}
2280 	return r;
2281 }
2282 
2283 int cayman_suspend(struct radeon_device *rdev)
2284 {
2285 	r600_audio_fini(rdev);
2286 	radeon_vm_manager_fini(rdev);
2287 	cayman_cp_enable(rdev, false);
2288 	cayman_dma_stop(rdev);
2289 	r600_uvd_rbc_stop(rdev);
2290 	radeon_uvd_suspend(rdev);
2291 	evergreen_irq_suspend(rdev);
2292 	radeon_wb_disable(rdev);
2293 	cayman_pcie_gart_disable(rdev);
2294 	return 0;
2295 }
2296 
2297 /* Plan is to move initialization in that function and use
2298  * helper function so that radeon_device_init pretty much
2299  * do nothing more than calling asic specific function. This
2300  * should also allow to remove a bunch of callback function
2301  * like vram_info.
2302  */
2303 int cayman_init(struct radeon_device *rdev)
2304 {
2305 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2306 	int r;
2307 
2308 	/* Read BIOS */
2309 	if (!radeon_get_bios(rdev)) {
2310 		if (ASIC_IS_AVIVO(rdev))
2311 			return -EINVAL;
2312 	}
2313 	/* Must be an ATOMBIOS */
2314 	if (!rdev->is_atom_bios) {
2315 		dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
2316 		return -EINVAL;
2317 	}
2318 	r = radeon_atombios_init(rdev);
2319 	if (r)
2320 		return r;
2321 
2322 	/* Post card if necessary */
2323 	if (!radeon_card_posted(rdev)) {
2324 		if (!rdev->bios) {
2325 			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
2326 			return -EINVAL;
2327 		}
2328 		DRM_INFO("GPU not posted. posting now...\n");
2329 		atom_asic_init(rdev->mode_info.atom_context);
2330 	}
2331 	/* init golden registers */
2332 	ni_init_golden_registers(rdev);
2333 	/* Initialize scratch registers */
2334 	r600_scratch_init(rdev);
2335 	/* Initialize surface registers */
2336 	radeon_surface_init(rdev);
2337 	/* Initialize clocks */
2338 	radeon_get_clock_info(rdev->ddev);
2339 	/* Fence driver */
2340 	r = radeon_fence_driver_init(rdev);
2341 	if (r)
2342 		return r;
2343 	/* initialize memory controller */
2344 	r = evergreen_mc_init(rdev);
2345 	if (r)
2346 		return r;
2347 	/* Memory manager */
2348 	r = radeon_bo_init(rdev);
2349 	if (r)
2350 		return r;
2351 
2352 	ring->ring_obj = NULL;
2353 	r600_ring_init(rdev, ring, 1024 * 1024);
2354 
2355 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2356 	ring->ring_obj = NULL;
2357 	r600_ring_init(rdev, ring, 64 * 1024);
2358 
2359 	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
2360 	ring->ring_obj = NULL;
2361 	r600_ring_init(rdev, ring, 64 * 1024);
2362 
2363 	r = radeon_uvd_init(rdev);
2364 	if (!r) {
2365 		ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2366 		ring->ring_obj = NULL;
2367 		r600_ring_init(rdev, ring, 4096);
2368 	}
2369 
2370 	rdev->ih.ring_obj = NULL;
2371 	r600_ih_ring_init(rdev, 64 * 1024);
2372 
2373 	r = r600_pcie_gart_init(rdev);
2374 	if (r)
2375 		return r;
2376 
2377 	rdev->accel_working = true;
2378 	r = cayman_startup(rdev);
2379 	if (r) {
2380 		dev_err(rdev->dev, "disabling GPU acceleration\n");
2381 		cayman_cp_fini(rdev);
2382 		cayman_dma_fini(rdev);
2383 		r600_irq_fini(rdev);
2384 		if (rdev->flags & RADEON_IS_IGP)
2385 			sumo_rlc_fini(rdev);
2386 		radeon_wb_fini(rdev);
2387 		radeon_ib_pool_fini(rdev);
2388 		radeon_vm_manager_fini(rdev);
2389 		radeon_irq_kms_fini(rdev);
2390 		cayman_pcie_gart_fini(rdev);
2391 		rdev->accel_working = false;
2392 	}
2393 
2394 	/* Don't start up if the MC ucode is missing.
2395 	 * The default clocks and voltages before the MC ucode
2396 	 * is loaded are not suffient for advanced operations.
2397 	 *
2398 	 * We can skip this check for TN, because there is no MC
2399 	 * ucode.
2400 	 */
2401 	if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
2402 		DRM_ERROR("radeon: MC ucode required for NI+.\n");
2403 		return -EINVAL;
2404 	}
2405 
2406 	return 0;
2407 }
2408 
2409 void cayman_fini(struct radeon_device *rdev)
2410 {
2411 	r600_blit_fini(rdev);
2412 	cayman_cp_fini(rdev);
2413 	cayman_dma_fini(rdev);
2414 	r600_irq_fini(rdev);
2415 	if (rdev->flags & RADEON_IS_IGP)
2416 		sumo_rlc_fini(rdev);
2417 	radeon_wb_fini(rdev);
2418 	radeon_vm_manager_fini(rdev);
2419 	radeon_ib_pool_fini(rdev);
2420 	radeon_irq_kms_fini(rdev);
2421 	radeon_uvd_fini(rdev);
2422 	cayman_pcie_gart_fini(rdev);
2423 	r600_vram_scratch_fini(rdev);
2424 	radeon_gem_fini(rdev);
2425 	radeon_fence_driver_fini(rdev);
2426 	radeon_bo_fini(rdev);
2427 	radeon_atombios_fini(rdev);
2428 	kfree(rdev->bios);
2429 	rdev->bios = NULL;
2430 }
2431 
2432 /*
2433  * vm
2434  */
2435 int cayman_vm_init(struct radeon_device *rdev)
2436 {
2437 	/* number of VMs */
2438 	rdev->vm_manager.nvm = 8;
2439 	/* base offset of vram pages */
2440 	if (rdev->flags & RADEON_IS_IGP) {
2441 		u64 tmp = RREG32(FUS_MC_VM_FB_OFFSET);
2442 		tmp <<= 22;
2443 		rdev->vm_manager.vram_base_offset = tmp;
2444 	} else
2445 		rdev->vm_manager.vram_base_offset = 0;
2446 	return 0;
2447 }
2448 
2449 void cayman_vm_fini(struct radeon_device *rdev)
2450 {
2451 }
2452 
2453 /**
2454  * cayman_vm_decode_fault - print human readable fault info
2455  *
2456  * @rdev: radeon_device pointer
2457  * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
2458  * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
2459  *
2460  * Print human readable fault information (cayman/TN).
2461  */
2462 void cayman_vm_decode_fault(struct radeon_device *rdev,
2463 			    u32 status, u32 addr)
2464 {
2465 	u32 mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT;
2466 	u32 vmid = (status & FAULT_VMID_MASK) >> FAULT_VMID_SHIFT;
2467 	u32 protections = (status & PROTECTIONS_MASK) >> PROTECTIONS_SHIFT;
2468 	char *block;
2469 
2470 	switch (mc_id) {
2471 	case 32:
2472 	case 16:
2473 	case 96:
2474 	case 80:
2475 	case 160:
2476 	case 144:
2477 	case 224:
2478 	case 208:
2479 		block = "CB";
2480 		break;
2481 	case 33:
2482 	case 17:
2483 	case 97:
2484 	case 81:
2485 	case 161:
2486 	case 145:
2487 	case 225:
2488 	case 209:
2489 		block = "CB_FMASK";
2490 		break;
2491 	case 34:
2492 	case 18:
2493 	case 98:
2494 	case 82:
2495 	case 162:
2496 	case 146:
2497 	case 226:
2498 	case 210:
2499 		block = "CB_CMASK";
2500 		break;
2501 	case 35:
2502 	case 19:
2503 	case 99:
2504 	case 83:
2505 	case 163:
2506 	case 147:
2507 	case 227:
2508 	case 211:
2509 		block = "CB_IMMED";
2510 		break;
2511 	case 36:
2512 	case 20:
2513 	case 100:
2514 	case 84:
2515 	case 164:
2516 	case 148:
2517 	case 228:
2518 	case 212:
2519 		block = "DB";
2520 		break;
2521 	case 37:
2522 	case 21:
2523 	case 101:
2524 	case 85:
2525 	case 165:
2526 	case 149:
2527 	case 229:
2528 	case 213:
2529 		block = "DB_HTILE";
2530 		break;
2531 	case 38:
2532 	case 22:
2533 	case 102:
2534 	case 86:
2535 	case 166:
2536 	case 150:
2537 	case 230:
2538 	case 214:
2539 		block = "SX";
2540 		break;
2541 	case 39:
2542 	case 23:
2543 	case 103:
2544 	case 87:
2545 	case 167:
2546 	case 151:
2547 	case 231:
2548 	case 215:
2549 		block = "DB_STEN";
2550 		break;
2551 	case 40:
2552 	case 24:
2553 	case 104:
2554 	case 88:
2555 	case 232:
2556 	case 216:
2557 	case 168:
2558 	case 152:
2559 		block = "TC_TFETCH";
2560 		break;
2561 	case 41:
2562 	case 25:
2563 	case 105:
2564 	case 89:
2565 	case 233:
2566 	case 217:
2567 	case 169:
2568 	case 153:
2569 		block = "TC_VFETCH";
2570 		break;
2571 	case 42:
2572 	case 26:
2573 	case 106:
2574 	case 90:
2575 	case 234:
2576 	case 218:
2577 	case 170:
2578 	case 154:
2579 		block = "VC";
2580 		break;
2581 	case 112:
2582 		block = "CP";
2583 		break;
2584 	case 113:
2585 	case 114:
2586 		block = "SH";
2587 		break;
2588 	case 115:
2589 		block = "VGT";
2590 		break;
2591 	case 178:
2592 		block = "IH";
2593 		break;
2594 	case 51:
2595 		block = "RLC";
2596 		break;
2597 	case 55:
2598 		block = "DMA";
2599 		break;
2600 	case 56:
2601 		block = "HDP";
2602 		break;
2603 	default:
2604 		block = "unknown";
2605 		break;
2606 	}
2607 
2608 	printk("VM fault (0x%02x, vmid %d) at page %u, %s from %s (%d)\n",
2609 	       protections, vmid, addr,
2610 	       (status & MEMORY_CLIENT_RW_MASK) ? "write" : "read",
2611 	       block, mc_id);
2612 }
2613 
2614 #define R600_ENTRY_VALID   (1 << 0)
2615 #define R600_PTE_SYSTEM    (1 << 1)
2616 #define R600_PTE_SNOOPED   (1 << 2)
2617 #define R600_PTE_READABLE  (1 << 5)
2618 #define R600_PTE_WRITEABLE (1 << 6)
2619 
2620 uint32_t cayman_vm_page_flags(struct radeon_device *rdev, uint32_t flags)
2621 {
2622 	uint32_t r600_flags = 0;
2623 	r600_flags |= (flags & RADEON_VM_PAGE_VALID) ? R600_ENTRY_VALID : 0;
2624 	r600_flags |= (flags & RADEON_VM_PAGE_READABLE) ? R600_PTE_READABLE : 0;
2625 	r600_flags |= (flags & RADEON_VM_PAGE_WRITEABLE) ? R600_PTE_WRITEABLE : 0;
2626 	if (flags & RADEON_VM_PAGE_SYSTEM) {
2627 		r600_flags |= R600_PTE_SYSTEM;
2628 		r600_flags |= (flags & RADEON_VM_PAGE_SNOOPED) ? R600_PTE_SNOOPED : 0;
2629 	}
2630 	return r600_flags;
2631 }
2632 
2633 /**
2634  * cayman_vm_set_page - update the page tables using the CP
2635  *
2636  * @rdev: radeon_device pointer
2637  * @ib: indirect buffer to fill with commands
2638  * @pe: addr of the page entry
2639  * @addr: dst addr to write into pe
2640  * @count: number of page entries to update
2641  * @incr: increase next addr by incr bytes
2642  * @flags: access flags
2643  *
2644  * Update the page tables using the CP (cayman/TN).
2645  */
2646 void cayman_vm_set_page(struct radeon_device *rdev,
2647 			struct radeon_ib *ib,
2648 			uint64_t pe,
2649 			uint64_t addr, unsigned count,
2650 			uint32_t incr, uint32_t flags)
2651 {
2652 	uint32_t r600_flags = cayman_vm_page_flags(rdev, flags);
2653 	uint64_t value;
2654 	unsigned ndw;
2655 
2656 	if (rdev->asic->vm.pt_ring_index == RADEON_RING_TYPE_GFX_INDEX) {
2657 		while (count) {
2658 			ndw = 1 + count * 2;
2659 			if (ndw > 0x3FFF)
2660 				ndw = 0x3FFF;
2661 
2662 			ib->ptr[ib->length_dw++] = PACKET3(PACKET3_ME_WRITE, ndw);
2663 			ib->ptr[ib->length_dw++] = pe;
2664 			ib->ptr[ib->length_dw++] = upper_32_bits(pe) & 0xff;
2665 			for (; ndw > 1; ndw -= 2, --count, pe += 8) {
2666 				if (flags & RADEON_VM_PAGE_SYSTEM) {
2667 					value = radeon_vm_map_gart(rdev, addr);
2668 					value &= 0xFFFFFFFFFFFFF000ULL;
2669 				} else if (flags & RADEON_VM_PAGE_VALID) {
2670 					value = addr;
2671 				} else {
2672 					value = 0;
2673 				}
2674 				addr += incr;
2675 				value |= r600_flags;
2676 				ib->ptr[ib->length_dw++] = value;
2677 				ib->ptr[ib->length_dw++] = upper_32_bits(value);
2678 			}
2679 		}
2680 	} else {
2681 		if ((flags & RADEON_VM_PAGE_SYSTEM) ||
2682 		    (count == 1)) {
2683 			while (count) {
2684 				ndw = count * 2;
2685 				if (ndw > 0xFFFFE)
2686 					ndw = 0xFFFFE;
2687 
2688 				/* for non-physically contiguous pages (system) */
2689 				ib->ptr[ib->length_dw++] = DMA_PACKET(DMA_PACKET_WRITE, 0, 0, ndw);
2690 				ib->ptr[ib->length_dw++] = pe;
2691 				ib->ptr[ib->length_dw++] = upper_32_bits(pe) & 0xff;
2692 				for (; ndw > 0; ndw -= 2, --count, pe += 8) {
2693 					if (flags & RADEON_VM_PAGE_SYSTEM) {
2694 						value = radeon_vm_map_gart(rdev, addr);
2695 						value &= 0xFFFFFFFFFFFFF000ULL;
2696 					} else if (flags & RADEON_VM_PAGE_VALID) {
2697 						value = addr;
2698 					} else {
2699 						value = 0;
2700 					}
2701 					addr += incr;
2702 					value |= r600_flags;
2703 					ib->ptr[ib->length_dw++] = value;
2704 					ib->ptr[ib->length_dw++] = upper_32_bits(value);
2705 				}
2706 			}
2707 			while (ib->length_dw & 0x7)
2708 				ib->ptr[ib->length_dw++] = DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0);
2709 		} else {
2710 			while (count) {
2711 				ndw = count * 2;
2712 				if (ndw > 0xFFFFE)
2713 					ndw = 0xFFFFE;
2714 
2715 				if (flags & RADEON_VM_PAGE_VALID)
2716 					value = addr;
2717 				else
2718 					value = 0;
2719 				/* for physically contiguous pages (vram) */
2720 				ib->ptr[ib->length_dw++] = DMA_PTE_PDE_PACKET(ndw);
2721 				ib->ptr[ib->length_dw++] = pe; /* dst addr */
2722 				ib->ptr[ib->length_dw++] = upper_32_bits(pe) & 0xff;
2723 				ib->ptr[ib->length_dw++] = r600_flags; /* mask */
2724 				ib->ptr[ib->length_dw++] = 0;
2725 				ib->ptr[ib->length_dw++] = value; /* value */
2726 				ib->ptr[ib->length_dw++] = upper_32_bits(value);
2727 				ib->ptr[ib->length_dw++] = incr; /* increment size */
2728 				ib->ptr[ib->length_dw++] = 0;
2729 				pe += ndw * 4;
2730 				addr += (ndw / 2) * incr;
2731 				count -= ndw / 2;
2732 			}
2733 		}
2734 		while (ib->length_dw & 0x7)
2735 			ib->ptr[ib->length_dw++] = DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0);
2736 	}
2737 }
2738 
2739 /**
2740  * cayman_vm_flush - vm flush using the CP
2741  *
2742  * @rdev: radeon_device pointer
2743  *
2744  * Update the page table base and flush the VM TLB
2745  * using the CP (cayman-si).
2746  */
2747 void cayman_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm)
2748 {
2749 	struct radeon_ring *ring = &rdev->ring[ridx];
2750 
2751 	if (vm == NULL)
2752 		return;
2753 
2754 	radeon_ring_write(ring, PACKET0(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 2), 0));
2755 	radeon_ring_write(ring, vm->pd_gpu_addr >> 12);
2756 
2757 	/* flush hdp cache */
2758 	radeon_ring_write(ring, PACKET0(HDP_MEM_COHERENCY_FLUSH_CNTL, 0));
2759 	radeon_ring_write(ring, 0x1);
2760 
2761 	/* bits 0-7 are the VM contexts0-7 */
2762 	radeon_ring_write(ring, PACKET0(VM_INVALIDATE_REQUEST, 0));
2763 	radeon_ring_write(ring, 1 << vm->id);
2764 
2765 	/* sync PFP to ME, otherwise we might get invalid PFP reads */
2766 	radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
2767 	radeon_ring_write(ring, 0x0);
2768 }
2769 
2770 void cayman_dma_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm)
2771 {
2772 	struct radeon_ring *ring = &rdev->ring[ridx];
2773 
2774 	if (vm == NULL)
2775 		return;
2776 
2777 	radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0));
2778 	radeon_ring_write(ring, (0xf << 16) | ((VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 2)) >> 2));
2779 	radeon_ring_write(ring, vm->pd_gpu_addr >> 12);
2780 
2781 	/* flush hdp cache */
2782 	radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0));
2783 	radeon_ring_write(ring, (0xf << 16) | (HDP_MEM_COHERENCY_FLUSH_CNTL >> 2));
2784 	radeon_ring_write(ring, 1);
2785 
2786 	/* bits 0-7 are the VM contexts0-7 */
2787 	radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0));
2788 	radeon_ring_write(ring, (0xf << 16) | (VM_INVALIDATE_REQUEST >> 2));
2789 	radeon_ring_write(ring, 1 << vm->id);
2790 }
2791 
2792